The 5-cm by 8-cm rectangular coil of a bicycle generator is rotating at a rate of 125 rpm in a 255-mT magnetic field. The output voltage of the generator is used to power a bicycle headlight that has a total resistance of 360 N. (a) How many turns are there in the coil if the peak output voltage is 1.8 V? N = turns (b) What is the rms-average current through the headlight? Irms mA

The 5-cm by 8-cm rectangular coil of a bicycle generator is rotating at a rate of 125 rpm in a 255-mT magnetic field. The output voltage of the generator is used to power a bicycle headlight that has a total resistance of 360 N. (a) How many turns are there in the coil if the peak output voltage is 1.8 V? N = turns (b) What is the rms-average current through the headlight? Irms mA

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter13: Electromagnetic Induction

Section: Chapter Questions

Problem 56P: A flat, square coil of 20 turns that has sides of length 15.0 cm is rotating in a magnetic field of...

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The 5-cm by 8-cm rectangular coil of a bicycle generator is rotating at a rate of 125 rpm in a 255-mT magnetic field.
The output voltage of the generator is used to power a bicycle headlight that has a total resistance of 360 N.
(a) How many turns are there in the coil if the peak output voltage is 1.8 V?
N =
turns
(b) What is the rms-average current through the headlight?
Irms
mA

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