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The restoring couple in the moving coil ...

The restoring couple in the moving coil galvanometer is due to

A

Current in the coil

B

Mangetic field of the magnet

C

Material of the coil

D

Twist produced in the suspension wire

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The correct Answer is:
D
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AAKASH INSTITUTE-MOVING CHARGES AND MAGNETISM-Assignment (Section A) Objective Type Questions (One option is correct)
  1. When two wires have current in same direction then force is

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  2. A rectangular loop carrying a current i(2) situated near a long straig...

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  3. Two parallel conductors A and B of equal lengths carry currents I and ...

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  4. A and B are two conductors carrying a current i in the same direction ...

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  5. Two long parallel copper wires carry current of 5A each in opposite di...

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  6. A, B and C are parallel conductors of equal length carrying currents I...

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  7. A conducting circular loop of radiius r carries a constant current i. ...

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  8. A conductor PQ, carrying a current i is placed perpendicular to a long...

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  9. The force between two parallel conductor, each of length 50m and dista...

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  10. A circular wire ABC and a straight conductor ADC are carrying current ...

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  11. The magnetic moment of a current (i) carrying circular coil of radius ...

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  12. Two galvanometers A and B require 3mA and 5mA respectively to produce ...

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  13. Magnetic dipole moment of rectangular loop is

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  14. Due to the flow of current in a circular loop of radius R, the magneti...

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  15. A straight wire carring current I is turned into a circular loop. If t...

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  16. The current sensitivity of a moving coil galvanometer can be increased...

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  17. A rectangular coil 20cmxx20cm has 100 turns and carries a current of 1...

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  18. A wire of length l is formed into a circular loop of one turn only and...

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  19. A wire of length l is bent in the form a circular coil of some turns. ...

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  20. The restoring couple in the moving coil galvanometer is due to

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