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Chapter 14 - Electromagnetism - 8
1.
Changing magnetic filed does not produce electric current.
a) True
b) False
2.
A compass needle brought in the vicinity of current carrying conductor shows deflection.
a) True
b) False
3.
The magnetic filed of a conductor lasts only as long as current is flowing through it.
a) True
b) False
4.
Left hand rule is used to find the direction of magnetic field around current carrying wire.
a) False
b) True
5.
The force experienced by a current carrying wire placed in magnetic filed does not depend upon current through the wire.
a) True
b) False
6.
Conventionally, the current flowing towards the reader is represented by symbol(.).
a) True
b) False
7.
The picture on a TV screen become distorted when a magnet is brought near the screen.
a) True
b) False
8.
Sensitivity of a galvanometer can be improved by increasing area of cross-section of coil.
a) True
b) False
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