1. A conducting circular loop, of radius r=0.060[m] and resistance R=0.200n], is submerged in the region of spatially uniform magnetic field. The loop is oriented perpendicular to the magnetic field. The magnetic field in the said region is described by Bt=+0.200Te-(0.300[s-1])t k. a. What is the magnitude of the induced EMF in the loop? b. What is the magnitude and the direction of the induced current in the loop? В YA <>
Q: 6. A 10 cm long rod is placed on two parallel rails so that it completes a loop. This device is…
A:
Q: A circular loop of wire with radius r= 10 cm and resistance R= 2.0 Ωlies in the xyplane. The loop is…
A: a. Using Faraday's law, emf induced is,…
Q: 27. A metal rod of length L=45.00 cm is pulled upward with constant velocity v = 8.00 m/s through a…
A: Given Length of rod is L=0.45 m Constant velocity is v=8.00 m/s Magnetic field is B=0.300 T
Q: A rectangular loop of wire of length a = 0.086 m, width b = 0.051 m, and resistance 0.079 Q, is…
A: Length, a = 0.086 mWidth, b = 0.051 mResistance, R = 0.079 ΩMagnetic field, B = 1.47 T Area of a…
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: Q.03 A single loop of wire with an area of 0.0900 m² is in a uniform magnetic field that has an…
A: Loop area (A) = 0.0900 m^2 Binitial = 3.80 T dB/dt = 0.190 T/s Resistance (R) = 0.600 ohm
Q: A 3.0-cm by 5.0-cm rectangular coil has 100 turns. Its axis makes an angle of 55º with a uniform…
A:
Q: 3. A rectangular loop consisting of 100 turns, measuring 60 cm x 80 cm. The loop is rotated with a…
A:
Q: single loop of steel wire, lying flat in a plane, has an area of 8.20 cm² and a resistance of 1.50…
A: Area of the loop ResistanceInitial magnetic FieldFinal magnetic fieldTime interval
Q: 4. Three copper frames are dragged through an external magnetic field in the direction s shown. The…
A:
Q: 00 wire loops are wound together. The area of each is 0.0025 m2. The loops begin with the area…
A: Using the concept of electromagnetic induction,
Q: A long solenoid is constructed in a physics lab. The solenoid is 196.0 cm long and it has 6938 turns…
A:
Q: 1. A 59.8-meter-long spacecraft flies past a neutron star, and passes through the neutron star s…
A:
Q: R A 50 cm long metal rod moves along the two rails in a plane of the circuit shown and is placed…
A: Given that- Rod length =50cm=0.50m B=0.15T R=3.0ohm Uniform speed(v) =2.0m/sec To determined that…
Q: This time the magnetic field maintains a constant value of 0.960 T, and we achieve an induced…
A: The magnetic field is B = 0.960 T The voltage is Vd = 0.187 V The time after which voltage is…
Q: You create your very own electric generator using a big horseshoe magnet and a 13 cm by 13 cm square…
A: (a) Expression for rate of change of magnetic flux dϕ(t)dt is given as:…
Q: The magnetic field through a circular loop of radius r=15cm varies with time.The direction of the…
A:
Q: A single loop of copper wire, lying flat in a plane, has an area of 8.60 cm² and a resistance of…
A:
Q: A strong electromagnet produces a uniform magnetic field of 1.60 T over a cross-sectional area of…
A: Initial magnetic field Bi = 1.60 T Cross-sectional area A = 0.250 m2 Number of turns of coil N = 180…
Q: starting with the normal of the plane of the coil perpendicular to the field. Assume that the…
A: Induced emf in any generator E = Eo sinwt Where Eo = peak emf = NABW W = angular speed B= magnetic…
Q: Time left 1:15:1 A 40 turn circular coil (radius = 4.0 cm, total resistance %3D 0.20 0) is placed in…
A: Here number of turns ,N= 40 Radius of the coil ,r= 4cm = 4×10-2m Total resistance, R= 0.2 ohm…
Q: 1. The conductive bar m = 45g starts moving from rest, the magnetic field B = 2.8T, the length of…
A: It is given that,The mass of the conducting bar is m=45 g=0.045 kg.The magnetic field strength is…
Step by step
Solved in 3 steps with 2 images
- a flat circular coil with 150 turns, a radius of 6.00 * 10^-2 m, and a resistance of 0.30 is exposed to an external magnetic feild that is directed perpendicular to the plane of the coil. the magnitude of the external magnetic feild is changing with time at a rate of 0.80 T/s. a. find the magnitude of the induced current. b. find the magnitude of the induced magnetic feild B(induced) at the center of the coil.5. A copper rod is sliding on two conducting rails that make an angle of 17° with respect to each other, as in the drawing. The rod is moving to the right with a constant speed of 0.78 m/s. A 0.25-T uniform magnetic field is perpendicular to the plane of the paper. Determine the magnitude of the average emf induced in the triangle ABC during the 5.40-s period after the rod has passed point A. V B (into paper) В A 90° 19.0of19 0of19 0f19.0of19.0otf 19.0of19 0of19.oof19 oofl7
- 1. A 27.4-meter-long spacecraft flies past a neutron star, and passes through the neutron star s extremely powerful magnetic field of strength 8.88 x 10^4 T. The spacecraft travels at a velocity of 5.67 km/s in a direction perpendicular to the magnetic field; the spacecraft s long axis is also perpendicular to the magnetic field. What is the induced emf (voltage) between the two ends of the spacecraft? 1.38E+09 V 1.38E+10 V 1.38E+07 V 1.38E+06 VSuppose a magnetic field B(t) oscillates with frequency w. A circular loop of copper lies perpendicular to the magnetic field. The radius of the circular loop is r. a. Write down an expression for the magnetic field as a function of time. Determine the induced emf & in the loop of wire and use this to calculate the current generated in the loop as a function of time. b. What is the power dissipation in the wire as a function to time? Make a sketch of this function. What is the average power Pave dissipation in the wire? Hint: what is the average value of the function you sketched? C. Recall that power is a rate of energy transfer, and that power dissipated by a resistor leads to a change in the thermal energy of the material (in this case the copper wire). We can relate a change in thermal energy to a change in temperature by AT where M is the total mass and c ΔΕth Mc is the specific heat capacity of the material (see page 526 for details). Find an expression for a dT - differential…A square coil of wire has 10 turns and an area of 20 cm^2. The square coil is located in a variable magnetic field whose behavior is shown on the graph. The magnetic field is directed at an angle of 45° relative to the normal to the plane of the square coil. a. What is the average emf induced in the coil in the time interval from t=7.50 s to 10.0 s? b. If the wire has a resistance of 0.75 Ω determine the induced current for the interval from part (a)?
- The component of the external magnetic field along the central axis of a 78 turn circular coil of radius 32.0 cm decreases from 2.40 T to 0.100 T in 2.00 s. If the resistance of the coil is R=3.00 Ω, what is the magnitude of the induced current in the coil? magnitude: A What is the direction of the current if the axial component of the field points away from the viewer?A flat circular coil with 100 turns has a radius of 0.04 m and a resistance of 0.5 ohms. It is exposed to a changing magnetic field that is perpendicular to the coil. The rate at which the magnetic field is changing is ∆B/∆t=0.782(T/s). a. Find the emf (voltage) induced in the coil. b. What is the current in the coil? c. Sketch a picture of the scenario and, based on your drawing, show the direction of the induced current PLEASE SHOW ALL WORK!! Thank you!!A circular loop of wire lies in a plane perpendicular to a magnetic field. The magnetic field has a magnitude of 1.3 T and points out of the page as shown in the figure. The radius of the loop is 18 cm and it has a resistance of 3.2 Ω. Find the induced emf in the loop of wire if the magnetic field doubles in magnitude in 1 seconds. What is the induced current in the loop? In which direction is the induced current?
- A small circular coil of 20 loops of wire having a radius of 1 cm is at rest in the X-y plane (so the normal to the loop points in the +z-direction). A uniform magnetic field of 0.5 T is turned on in the +x-direction. What is the magnetic flux through the loop? a. 7.85 x 10 Tm² b. 1.57 x 10 4 T m² O c. 3.14 x 10 3 T m2 O d. 0 T m279