A flat circular coil of 1200 turns and of mean radius 8.0 mm is connected to an ammeter of negligible resistance. The coil has a resistance of 6.3 2. The plane of the coil is placed at right angles to a magnetic field of flux density 0.15 T from a solenoid. The current in the solenoid is switched off. It takes 20 ms for the magnetic field to decrease from its maximum value to zero. Calculate: a the average magnitude of the induced e.m.f. across the ends of the coil b the average current measured by the ammeter. uniform magnetic field from solenoid (out of plane of paper) A coil with 1200 turns 8.0mm
A flat circular coil of 1200 turns and of mean radius 8.0 mm is connected to an ammeter of negligible resistance. The coil has a resistance of 6.3 2. The plane of the coil is placed at right angles to a magnetic field of flux density 0.15 T from a solenoid. The current in the solenoid is switched off. It takes 20 ms for the magnetic field to decrease from its maximum value to zero. Calculate: a the average magnitude of the induced e.m.f. across the ends of the coil b the average current measured by the ammeter. uniform magnetic field from solenoid (out of plane of paper) A coil with 1200 turns 8.0mm
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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Transcribed Image Text:3.
A flat circular coil of 1200 turns and of mean
radius 8.0 mm is connected to an ammeter of
negligible resistance. The coil has a resistance
of 6.3 2. The plane of the coil is placed at right
angles to a magnetic field of flux density 0.15 T
from a solenoid.
The current in the solenoid is switched off.
It takes 20 ms for the magnetic field to decrease
from its maximum value to zero. Calculate:
the average magnitude of the induced e.m.f.
across the ends of the coil
b the average current measured by the ammeter.
a
uniform magnetic field from
solenoid (out of plane of paper)
A
coil with
1200 turns
8.0mm
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