1) A rectangular loop of dimensions 5.7 cmx 7.8 cm is positioned in a uniform magneticfield of magnitude 8460 G so that thenormal to the loop makes an angle of44° with the magnetic field. Calculate,B Magnetic flux produced in the coil in weber:2) A transformer is used to supply a 10 V toa model train while taking power from a 122V wall plug. If the train operates at 56 W ofpower, calculate.(i) Current in the secondary coil of thetransformer in amperes :(ii) Ratio of the number of primary tosecondary turns :(iii) What type of transformer is used here?

1) A rectangular loop of dimensions 5.7 cm x 7.8 cm is positioned in a uniform magneti field of magnitude 8460 G so that the normal to the loop makes an angle of 44° with the magnetic field. Calculate,

1) A rectangular loop of dimensions 5.7 cm x 7.8 cm is positioned in a uniform magneti field of magnitude 8460 G so that the normal to the loop makes an angle of 44° with the magnetic field. Calculate,

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter12: Sources Of Magnetic Fields

Section: Chapter Questions

Problem 25P: A long, straight, horizontal wire carries a left-to-right current of 20 A. If the wire is placed in...

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Question

1) A rectangular loop of dimensions 5.7 cm
x 7.8 cm is positioned in a uniform magnetic
field of magnitude 8460 G so that the
normal to the loop makes an angle of
44° with the magnetic field. Calculate,
B

Magnetic flux produced in the coil in weber
:
2) A transformer is used to supply a 10 V to
a model train while taking power from a 122
V wall plug. If the train operates at 56 W of
power, calculate.
(i) Current in the secondary coil of the
transformer in amperes :
(ii) Ratio of the number of primary to
secondary turns :
(iii) What type of transformer is used here?

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