A straight wire with a length of 60.0 cm is bent into a perfect circle and placed in a perpendicular magnetic field as illustrated below. The magnetic field is changing at a rate of 12 T/s Hint: for a circle. c = 2nr A = rr? N Part A If resistance of the wire loop is 3.22, the electric current in the wire will be:
Q: A 7.0-cm-long wire is pulled along a U-shaped conducting rail in a perpendicular magnetic field. The…
A: A) Write the expression for the power and substitute the required values to determine the speed of…
Q: The magnetic field at one place on the ea surface is 55 μT in strength and tilted 60 from…
A: Given Data The magnetic field on the earth surface is:B=55μT=55×10-6 T The number of turn is:N=230…
Q: Changing Area 8 If the strength of the external magnetic field is Bext - 47.1 T, what is the…
A: Given, decreasing rate of ∆A∆t=-55.0 m2/s
Q: A small bar magnet experiences a 2.50x10-2 N m torque when the axis of the magnet is at 45.0° to a…
A: Given data: Torque (τ) = 2.50×10-2 N.m Angle (θ) = 45.0° Magnetic field (B) = 6.00×10-2 T Required:…
Q: Part A Two long, parallel wires are separated by a distance of 3.80 cm. The force per unit length…
A:
Q: In the rainy season, the Amazon Bows fast and runs deep. In one location, the river is 24 to deep…
A:
Q: What is the current in a long wire if the magnetic field strength 1.2 cm from the wire's axis is 57…
A:
Q: constant magnetic field B is directed into the page. If the speed of the bar is quadrupled, by…
A: As the rod is moved through the magnetic field, the change in the magnetic flux across the wire…
Q: 3. A wire is moving on frictionless rails in a uniform magnetic field, as shown to the right. The…
A: We have a wire of length L=5 cm=0.05 m which is moving along a rail experiencing a magnetic field of…
Q: electron in a cathode ray tube has a kinetic energy of 102 eV and moves in a direction perpendicular…
A:
Q: A. The upper semi-circular wire of radius ? is run by clockwise current ?. The lower semi-circular…
A: Given Data : The radius of the circle is given as R. The current flowing in the upper half of the…
Q: An open plastic soda bottle with an opening diameter of 2.0 cm is placed on a table. A uniform 2.25…
A:
Q: In the figure, a wire carrying current into the plane of the figure is between the north and south…
A:
Q: B = B0 (1- t/T)
A: According to bartleby policy, we can do first three subparts. Rest of them please post separately to…
Q: An electron accelerated from rest through a voltage of 750 V enters a region of constant magnetic…
A: The value of magnetic field can be calculated using B=mver…
Q: A straight stream of protons passes a given point in space at a rate of 2.5x10° protons/s. Part A…
A: Given: The rate of proton passes through the stream is r = 2.5 x 109 protons/ s The distance at…
Q: A 120 V battery is connected across two parallel metal plates of area 28.5 cm² and separation 9.20…
A: Given data: The voltage across battery is Vbattery=120 V The area of the plates is A=28.5 cm2 The…
Q: The magnetic field inside an air-filled solenoid 40 cm long and 2.8 cm in diameter is 0.74 T. Part A…
A: Given data: The length of the solenoid is l=40 cm=0.40 m The diameter is d = 0.028 m The magnetic…
Q: N Bar Magnet Coil A The figure shows a permanent bar magnet placed next to a electromagnetic coils…
A:
Q: ectangular loop of 250 turns is 35 cm wide and 19 cm high. Part A What is the current in this loop…
A: Number of turns, N = 250 Width of rectangular loop, w = 35 cm Height of rectangular loop, h = 19…
Q: Part A The uniform 31.0 mT magnetic field in the figure points in the positive z-direction. An…
A: Given: Magnetic Field,B=31mT=31×10-3TVelocity,v=5.50×106m/sAngle,θ=300Permeability of free…
Q: A coil of wire with 230 circular turns of radius 3.40 cmcm is in a uniform magnetic field along the…
A: The number of turns in the coil is .The radius of the coil is .The resistance of the coil is The…
Q: Suppose a straight 1.05 mm -diameter copper wire could just "float" horizontally in air because of…
A: Magnetic Field: B=3.9×10-5 T Diameter : d=1.05 mm=1.05 ×10-3 m
Q: The element niobium, which is a metal, is a superconductor (ie, no electrical resistance) at…
A: The element niobium which is metal is a superconductor at temperatures below 9 K. Magnetic field…
Q: The coil is hinged along the y axis, and its plane makes an angle O with the x axis as in Figure.…
A: The expression for the torque is given as, τ→=μ→×B→τ→=μ→×Bx^ Here, μ→ is the magnetic dipole moment.…
Q: Point A in (Figure 1) is 4.5 mm from the wire. Assume that the wire is very long and that all other…
A:
Q: A solenoid used to produce magnetic fields for research purposes is 2.5 m long, with an inner radius…
A: Given length of solenoid (L)=2.5 m Number of turns(N)=1100 turns Radius (r)=25 cm=0.25 m Magnetic…
Q: A0.300-m-long bar moves on parallel rails that are connected through a 6.40 2 resistor, as shown in…
A: Given Length L=0.3 m Resistance R=6.40 Ohm B=1.30T I=1.70A
Q: An equilateral triangle 8.0 cm on a side is in a 6 mT uniform magnetic field. The magnetic flux…
A: Given data: The side length of an equilateral triangle (a) = 8.0 cm = 0.080 m Uniform magnetic…
Q: A small, square loop carries a 27 A current. The on-axis magnetic field strength 46 cm from the loop…
A: Given data: Current, I=27 A Distance from the loop, x=46 cm=46×10-2 m=0.46 m Magnetic field…
Q: You have a circular loop of wire in the plane of the page with an initial radius of 0.50 m which…
A:
Q: The figure shows a U-shaped conducting rail that is oriented vertically in a horizontal magnetic…
A:
Q: A coil has 250 turns enclosing an area of 10.4 cm². In a physics laboratory experiment, the coil is…
A:
Q: A coil has N turns enclosing an area of A. In a physics laboratory experiment, the coil is rotated…
A: Given, B is the magnetic field. A be defined as the cross-sectional area of the loop, and θ be…
Q: Find the magnitude of the magnetic flux through the floor of a house that measures 20 m by 17 m.…
A:
Q: A capacitor consists of two parallel circular plates of radius r. The capacitor has capacitance C…
A: Write the expression for the enclosed current. I=I0e−tRC
Q: For a line that has current 170 A and a height of 8.0 m above the ground, what magnetic field does…
A:
Q: A wire with a length of 3.6 m and a mass of 0.68 kg is in a region of space with a magnetic field of…
A:
Q: The magnetic field inside an air-filled solenoid 38 cm long and 2.3 cm in diameter is 0.60 T. Part A…
A:
Q: In a physics laboratory experiment, a coil with 200 turns enclosing an area of 11.4 cm² is rotated…
A:
Q: A metal detector with two coils (an exciter and a detector) is an example an active detection…
A: In metal detector , current flows through transmitter coil which produces a magnetic field.
Q: The North Pole of a bar magnet enters a coil of wire. What are the directions of the induced current…
A:
Step by step
Solved in 2 steps with 2 images
- Part A The circuit of (Eigure 1) is a square 30 cm on a side. The magnetic field increases steadily from C T to 0 70 T in 13 ms. What is the current in the resıstor during this time? For the steps and strategies involved in solving a similar problem you may view a Video Tutor Solution Express your answer with the appropriate units. HA ? Submit Request Answet Figure 1 of 1 Prov de Feedback 20 N 9.0 VA coil 4.35 cm radius, containing 460 turns, is placed in a uniform magnetic field that varies with time according to B=( 1.20x10-2 T/s)t+( 2.60x10-5 T/s4 )t¹. The coil is connected to a 580- resistor, and its plane is perpendicular to the magnetic field. You can ignore the resistance of the coil. Part B What is the current in the resistor at time to = 5.50 s ? V ΑΣΦ ? NII = ATo construct a solenoid, you wrap insulated wire uniformly around a plastic tube 8.9 cm in diameter and 45 cm in length. You would like a 3.2 AA current to produce a 2.6 kGkG magnetic field inside your solenoid. Part A What is the total length of wire you will need to meet these specifications? Express your answer using two significant figures.
- ▼ Part A Suppose you have a magnetic field with a strongth of 45 uT directed along the m-axis. If a 34 cm x 50 cm wire loop is placed at a 60-degree angle to the z axis before being shifted to a 30-degree angle to the z-axis. what is the difforonce in flux within the loop? Note: 1 Wb= T m². Express your answer in webers. Γ.Γ ΑΣΦ 30-60 2.80.10 6 → C Submit Previous Answers Request Answer X Incorrect; Try Again; One attempt remaining ? WhA simple generator has a square armature 9.0 cm on a side. The armature has 95 turns of 0.59-mm-diameter copper wire and rotates in a 0.800-T magnetic field. The generator is used to power a lightbulb rated at 12.0 V and 25.0 W. Part A At what rate should the generator rotate to provide 12.0 V to the bulb? Consider the resistance of the wire on the armature.A coil has 180 turns enclosing an area of 10.4 cm². In a physics laboratory experiment, the coil is rotated during the time interval 0.046 s from a position in which the plane of each turn is perpendicular to Earth's magnetic field to one in which the plane of each turn is parallel to the field. The magnitude of Earth's magnetic field at the lab location is 5.00×10-5 T. Part A What is the magnitude of the magnetic flux through one turn of the coil before it is rotated? Express your answer in webers. View Available Hint(s) initial Submit Part B |final = = Submit —| ΑΣΦ = What is the magnitude of the magnetic flux through one turn of the coil after it is rotated? Express your answer in webers. ► View Available Hint(s) ΠΙ ΑΣΦ ? Wb ? Wb
- The back emf in a motor is 31 V when operating at 1300 rpm . Part A What would be the back emf at 2400 rpm if the magnetic field is unchanged?A square coil of wire with a side length of 10cm is looped around 10 times. The coil sits in an increasing nagnetic field. The magnetic field increases linearly from 1T to 2T within 5 seconds. A. What is the illustration of this equation?A 7.0-cm -long wire is pulled along a U-shaped conducting rail in a perpendicular magnetic field. The total resistance of the wire and rail is 0.30 N. Pulling the wire with a force of 1.3 N causes 4.1 W of power to be dissipated in the circuit. Part A What is the speed of the wire when pulled with 1.3 N ? Express your answer in meters per second. Π ΑΣΦ V = Submit Part B What is the strength of the magnetic field? Express your answer in tesla. —| ΑΣΦ B = Request Answer Submit Request Answer ? ? m/s T
- A 550-turn solenoid is 12 cm long. The current in it is 38 A . A straight wire cuts through the center of the solenoid, along a 5.0-cm diameter. This wire carries a 23-A current downward (and is connected by other wires that don't concern us). Part A What is the force on this wire assuming the solenoid's field points due east?A wire with a length of 3.5 m and a mass of 0.74 kg is in a region of space with a magnetic field of 0.76 T. Part A What is the minimum current needed to levitate the wire? Express your answer using two significant figures. νΠ ΑΣφ I = AThe distance between the wire and the circular current loop is r = 2.4 cm. (Figure 1) Figure O 2.0 A -Wire 0.20 A 1 of 1 2.0 mm What is the magnitude of the torque on the circular current loop? Express your answer with the appropriate units. T = Submit Part B μÀ Value Request Answer Units What is the loop's stable equilibrium position? ? O The dipole will be in equilibrium after rotating clockwise 135°. O The dipole will be in equilibrium after rotating clockwise 180°. O The dipole will be in equilibrium after rotating clockwise 45°. O The dipole will be in equilibrium after rotating clockwise 90°.