An AC generator consists of eight turns of wire, each having area A = 0.0860 m2, with a total resistance of 10.8 Ω. The loop rotates in a magnetic field of 0.559 T at a constant frequency of 61.5 Hz. (a) Find the maximum induced emf. (b) What is the maximum induced current? (c) Determine the induced emf and current as functions of time. (d) What maximum torque must be applied to keep the coil turning?

An AC generator consists of eight turns of wire, each having area A = 0.0860 m2, with a total resistance of 10.8 Ω. The loop rotates in a magnetic field of 0.559 T at a constant frequency of 61.5 Hz. (a) Find the maximum induced emf. (b) What is the maximum induced current? (c) Determine the induced emf and current as functions of time. (d) What maximum torque must be applied to keep the coil turning?

Physics for Scientists and Engineers with Modern Physics

10th Edition

ISBN:9781337553292

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter31: Inductance

Section: Chapter Questions

Problem 1P

See similar textbooks

Similar questions

Suppose a coil has a self-inductance of 20.0 H and a resistance of 200 . What (a) capacitance and (b) resistance must be connected in series with the coil to produce a circuit that has a resonant frequency of 100 Hz and a Q of 10?
Suppose that a rectangular toroid has 2000 windings and a self-inductance of 0.040 H. If h = 0.10 m, what is the current flowing through a rectangular toroid when the energy in its magnetic field is 2.0 × 10-6 J?
An emf of 0.40 V is induced across a coil when the current through it changes uniformly from 0.10 to 0.60 A in 0.30 s. What is the self-inductance of the coil?
An AC generator with ten turns of wire, each having area A = 0.08 m2, and having a total resistance of 12.0 ΩΩ. The coil rotates in a magnetic field of 0.500 T at a constant frequency f = 70.0 Hz, with axis of rotation perpendicular to the direction of the magnetic field. What would be the maximum induced current ? Group of answer choices 11.9 A 14.7 A 12.8 A 30.5 A
A 1.50 mF capacitor is connected to an ac generator with m = 30.0 V. What is the amplitude of the resulting alternating current if the frequency of the emf is (a) 1.00 kHz and (b) 8.00 kHz?
A simple AC generator consists of 20 coils of wire with an area of 1 000 cm2 and placed in a region where the magnetic field is 0.5 T. How long will it generate a peak electromotive force of 220 V?
A simple AC generator consists of 20 coils of wire with an area of 1000 cm² and placed in a region where the magnetic field is 0.5 T. What should be the rotational frequency to generate a peak electromotive force of 220 V?
You are to design an AC generator that has 800 circular windings, each with a radius of 1.75m. The generator is to produce a peak voltage of 12000V that oscillates with a frequency of 60Hz. What magnetic field should be used to accomplish this?
A physics student observes that the current in a coil of conducting wire goes from i1 = 0.200 A to i2 = 1.50 A in a time interval of Δt = 0.350 s. Assuming the coil's inductance is L = 5.00 mH, what is the magnitude of the average induced emf (in mV) in the coil for this time interval?
The current in a coil drops from 3.8 A to 1.8 A in 0.51 s. If the average emf induced in the coil is 12 mV, what is the self-inductance of the coil?
Consider an AC generator with a rotating square loop with a side of 0.21 m length. If it rotates with a frequency of 20 Hz in a uniform magnetic field with strength 0.15 T, calculate the maximum induced EMF.
A simple ac generator consists of a coil with 10 turns (each turn has an area of 50 cm^2). The coil rotates in a uniform magnetic field of 350 mT with a frequency of 60 Hz. Compute the maximum emf of the generator.