A rectangular loop with width L and a slide wire with mass m are as shown in the figure (Figure 1). A uniform magnetic field B is directed perpendicular to the plane of the loop into the plane of the figure. The slide wire is given an initial speed of vo and then released. There is no friction between the slide wire and the loop, and the resistance of the loop is negligible in comparison to the resistance R of the slide wire. Obtain an expression for F, the magnitude of the force exerted on the wire while it is moving at speed v. Express your answer in terms of the variables B, v, R, L, and m. ? F = Submit Request Answer
Q: Two long straight aluminum wires, each of diameter 0.57 mm , carry the same current but in opposite…
A:
Q: Problem 4: A conducting rod spans a gap of length L = 0.179 m and acts as the fourth side of a…
A: aϕ = BxL b a = At2dVdt = At2 ⇒dV = At2dtIntegrate both sides,∫dV = ∫At2 dtV = At33
Q: A wire loop with a resistance, R = 0.174 Ohms is pulled to the right out of a region with a uniform…
A: Given Resistance R=0.174 Ω B=0.468T L=0.189m v=17m/s
Q: The plane of a square coil of wire is perpendicular to the direction of a magnetic field. The coil…
A:
Q: to the faces of the loops is out of the screen (towards you) and assume the positive vertical…
A:
Q: A 40-cm-long conducting rod moves to the right with a velocity of 12 m/s along frictionless metal…
A:
Q: An electron travels with a speed of 3.0x107 m/s in the directions shown in the figure (Figure 1)…
A: See below
Q: A simple pendulum is constructed from a short metal rod of the mass mand of the length / suspended…
A:
Q: In the drawing below a wire is looped as shown -- note that the wire crosses over top of itself with…
A: Given data: Resistance R = 4 ohms side of upper loop lU =16 cm side of lower loop ll=lU2 Magnetic…
Q: An N-turn square coil with side l and resistance R is pulled to the right at constant speed v in the…
A:
Q: In 1897, JJ Thompson discovered the electron and measured the ratio of its charge to its mass using…
A: Given, A Thompson experiment A beam of negatively charged particles with charge q and mass m is…
Q: slide wire shown in the diagram above is pushed toward the 6.89 Ω resistor at a steady speed of…
A:
Q: A square loop of wire connects the ends of a 10-ohm resistor, as shown . The loop sits perpendicular…
A: Write the given values of this problem. R=10 ohmB=0.6 Tt=3 sech=10 cmw=15 cm
Q: using the apparatus illustrated below, as we already discussed a few times. We are now ready to…
A: Given, A Thompson experiment A beam of negatively charged particles with charge q and mass m is…
Q: In the figure below, the rod moves to the right with a speed of1.8m/s, and has a resistance of 2.2?.…
A: Given: Speed is 1.8 m/s Resistance is 2.2 ohm Rail separation is 25 cm magnetic field is 0.33 T…
Q: THE CURRENT BALANCE Here's some context : the current balance consists essentially of a rigid…
A: a) This magnetic force on the moving rod will be balanced by a weight placed on the moving rod.…
Q: A 40-cm-long conducting rod moves to the right with a velocity of 12 m/s along frictionless metal…
A:
Q: 2. A student performs this lab using a pair of coils with radius R = 10.5 cm and N = 95 windings.…
A: 2a. The magnetic field at the center of the coils is given by: B = (μ0 × N× I)/R where μ0 is the…
Q: The figure below shows a ring whose plane is perpendicular to your screen (the dashed parts are…
A: The above question options are not shown properly so I only provide explanation which is helpful for…
Q: As shown in the figure below, you exert a constant force F to the right on a conducting rod of…
A: a) Write the expression for the induced emf and substitute the corresponding values.…
Q: A sort of "projectile launcher" is shown in (Figure 1). A large current moves in a closed loop…
A: Given that,The length of the bar L = 30 cm= (30 cm)(10^-2 m/cm)= 0.30 mThe mass of the bar m = 1.5…
Q: Problem 1 Problem: This problem takes you through the steps needed to calculate the magnetic field…
A: aIf current I flows through the wire what is Ienc.bEvaluate ∮B→.dl→.cCalculate the magnetic field of…
Q: rectangular conducting loop has sides a = 0.065 m, sides b = 0.15 m, and resistance R = 65 Ω. It…
A: a = 0.065 m b = 0.15 m resistance( R )= 65 Ω B = 1.48 T Speed (v )= 9.5 m/s.
Q: The conducting rod ab shown in the figure makes contact with metal rails ca and db. The apparatus is…
A: Field, B = 1.50 TResistance, R = 0.800 ΩForce, F = 2.25 NLength, L = 50 cm = 0.5 m
Q: Consider the system pictured in the figure below. A ℓ = 12-cm length of conductor of mass 29 g, free…
A: (a) Given: The length of the conductor is 12 cm. The mass of the conductor is 29 g. The current…
Q: Consider the system pictured in the figure below. A ℓ = 18-cm length of conductor of mass 23 g, free…
A: Given: The length of the horizontal wire, L=18 cm=0.18 m The mass of the wire, m=28 gm=23×10-3 kg…
Q: Consider the wires shown in (Figure 1). The upper wire carries the current I1 = 14A. What should…
A: Given Data The current in the first wire is I1 = 14 A. The distance of point P from wire 1 is d1 = 1…
Q: In the following figure, a long, straight, current-carrying wire of linear mass density is suspended…
A: Given Data: Linear mass density μ=mL=56gm=561000=0.056 Angle θ=10° Current I=10A a) Along the…
Q: Solenoids and electromagnets are widely used in power generation and distribution. A solenoid formed…
A:
Q: The diagram below depicts a rectangular wire loop of width a = 17.5 cm and height b = 7.95 cm, that…
A:
Q: Derive an expression for the current in a system like that in the figure below,
A:
Q: Table 3 Values for the x-component of the magnetic field for various values of r and x. (i) At r =…
A:
Q: A conducting facet (L = 10[cm]) moves to the right on two frictionless conducting rails, as shown in…
A:
Q: wire with resistivity ρ (resistance per unit length) is bended in a way to form a shape like bb-8 in…
A: Given:- A wire with resistivity ρ and We can approximate it as two circles of radius R and 2R lying…
Q: Toroidal magnets are essentially solenoids bent into the shape of a "doughnut". Consider a toroid…
A: Given, cross- section height =hinner radius = aouter radius bThe number of turns = Ncurrent I
Q: A metal rod of mass m slides without friction along two parallel horizontal rails, separated by a…
A:
Trending now
This is a popular solution!
Step by step
Solved in 2 steps with 2 images
- A rectangular conducting loop of width L, resistance R, and mass m is in a magnetic field B, as indicated in the diagram below. The magnetic field is constant throughout the shaded region (and zero outside the shaded region) and is horizontally oriented into the page. If the loop is dropped, as it crosses the threshold of the magnetic field, it will reach a terminal speed vt. Find an expression for vt (ignoring air drag).Find the magnitude and direction of the minimum magnetic field required to move the wire at constant speed.A loop of wire in the shape of a rectangle of width w and length L and a long, straight wire carrying a current I lie on a tabletop as shown in the figure below. (a) Determine the magnetic flux through the loop due to the current I. (Use any variable stated above along with the following as necessary: Ho:) %3D (b) Suppose the current is changing with time according to I = a + bt, where a and b are constants. Determine the magnitude of the emf (in V) that is induced in the loop if b = 12.0 A/s, h = 1.00 cm, w = 15.0 cm, and L = 1.35 m. V (c) What is the direction of the induced current in the rectangle? O clockwise O counterclockwise O The magnitude is zero. = 1.00 cm toward the bottom of the figure at a What If? Suppose a constant current of I = 6.00 A flows in the straight wire and the loop moves from an initial position h. constant speed of v = 16.0 cm/s. (d) What is the magnitude of the induced emf (in V) in the loop 1.00 s after it begins to move? V (e) What is the direction of the…
- A loop of wire in the shape of a rectangle of width w and length L and a long, straight wire carrying a current I lie on a tabletop as shown in the figure below. A long, straight, horizontal wire carries current I toward the right. A rectangular loop of wire, with length L and height w, lies below the straight wire. The length is parallel to the straight wire, and the top edge of the loop is a distance h below the straight wire. (a) Determine the magnetic flux through the loop due to the current I. (Use any variable stated above along with the following as necessary: ?0.) ΦB = (b) Suppose the current is changing with time according to I = a + bt, where a and b are constants. Determine the magnitude of the emf (in V) that is induced in the loop if b = 20.0 A/s, h = 1.00 cm, w = 20.0 cm, and L = 1.25 m. How do you determine the induced emf from your equation for the flux from part (a)? V (c) What is the direction of the induced current in the rectangle?…A flexible circular loop 8.00 cm in diameter lies in a magnetic field with magnitude 2 T, directed into the plane of the page in the figure. The loop is pulled at the points indicated by the arrows, forming a loop of zero area in 0.300 s. Find the average induced emf in the circuit. What is the direction of the induced magnetic field What is the direction of the induced current in R? (From a to b or b to a) If you rotate the circular loop as the top part out of page, what is the direction of the induced current in R? (From a to b or b to a) If you move the circular loop inside the magnetic field with a constant velocity toward the right, what is the direction of the induced current in R? (From a to b or b to a)In Figure 3 a circular loop of wire of radius R is initially located in the plane of the page while a uniform Magnetic field of magnitude 5 T is coming out the page in the 2 = (0,0,1) direction (represented by the "x"'s). At time t = 0 the loop begins to rotate in uniform circular motion such that the top begins moving out of the page and the bottom moves into the page with a frequency of 5 seconds (i.e. the loop has the same orientation as that at t=0). For arbitrary time t > 0 I. II. III. IV. y Determine the unit normal of the area of the loop, ñ, as a function of time. Determine the vector describing the area of the loop, A. Determine the magnetic flux moving through the loop as a function of time. If current is allowed to move through the loop, determine the induced EMF in the conducting loop and the associated induced Electric field (make sure to explain the direction of the Electric field.) X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X…
- Design a current loop that, when rotated in a uniform magnetic field of strength 0.67 T, will produce an emf E = E, sin(wt), where E, = 110 V and w = 120n rad/s. First, choose the number of turns the loop should have. (Enter a positive integer less than 100.) turns Then calculate the needed area of the loop (in m2). (Use the number of turns you entered above.) m2A rectangular wire loop of height h, width w, and net electrical resistance R lies in the x-y plane. As shown in the figure below, the entire region x < 0 of space is occupied by a constant, uniform magnetic field which points in the –z direction (into the page). In order to determine the magnitude of this field, a student pulls the wire loop out of the magnetic field region at a constant velocity v in the +x-direction, and measures the current I induced in the loop during this process. I = 17 μAR = 35 ohmsh = 3 cm w = 8 cmv = 2 cm/sec a) What is the direction of the current induced in the wire loop? b)What is the magnitude B of the magnetic field?A loop of wire in the shape of a rectangle of width w and length L and a long, straight wire carrying a current I lie on a tabletop as shown in the figure below. (a) Determine the magnetic flux through the loop due to the current I. (Use any variable stated above along with the following as necessary: Mo.) ФВ (b) Suppose the current is changing with time according to I = a + bt, where a and b are constants. Determine the magnitude of the emf (in V) that is induced in the loop if b = 20.0 A/s, h = 1.00 cm, w = 20.0 cm, and L = 1.20 m. v (c) What is the direction of the induced current in the rectangle? O clockwise O counterclockwise O The magnitude is zero. What If? Suppose a constant current of I = 6.00 A flows in the straight wire and the loop moves from an initial position ho = 1.00 cm toward the bottom of the figure at a constant speed of v = 16.0 cm/s. (d) What is the magnitude of the induced emf (in V) in the loop 1.00 s after it begins to move? V (e) What is the direction of the…
- A "double-loop" planar structure shown in the figure below is made out of a thin wire with the resistance per unit length 5-0.131 /m. The length parameter of the structure a-47.4 cm. The structure is in the region of the uniform magnetic field as shown, where the normal component of the field changes with time t as B(t)-B, cos(2xft), where amplitude 8-349.8 G and frequency f-74 Hz. B a 2a X X X X Xax Q With the harmonically varying magnetic field, the induced currents in various segments of the structure will also be changing periodically with the same frequency. Find magnitude Io of the variable induced current in segment PQ shown in the figure: Jo=A square loop (each side is 10 cm) of wire with Resistance 100Ω is moved at a constant speed of 30cm/s across a uniform magnetic field 2 T, confined in a square region (Each side of the square is 20cm). (a) Graph the force needed to move the loop at a constant speed from -20 cm to 20cm (as shown in the figure). What will be the maximum force required? Assume that the force pointing to the right as positive (b) Graph the current induced in the loop as a function of distance from -20cm to 20cm. Assume clockwise current to be positive. What will be the maximum value of current? Hint: The figure is drawn not to scale(Answer all three questions in this page according to the description below.) Two lined conductors are connected by a resistor R = 30SN, and separated by L = 5 m. A moving conductor of mass m slides on the conductors at a constant speed v, which produces a current I = 4 %3D A. The conductors are placed in a B = 6 T magnetic field out of the page. In what direction does the current flow through the moving conductor when the bar is sliding in the direction as shown in the figure? R O a. To the left. b. To the right. From the previous question, calculate the speed at which the bar is moving. О а. 40 m/s. O b. 4 m/s. О с. 50 m/s. O d. 5 m/s. From the previous question, calculate the magnitude and direction of magnetic force on the bar. а. 120N down the page. b. 120N dn page. the O c. 50N down the page. O d. 50N up the page.