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When a coil carrying current s ………………….....

When a coil carrying current s …………………..it expericences ………………………….which………………..the coil. This is the principle of………………………..

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held in a magnetic field ; torque ' rotates ; d.c. motor
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PRADEEP-ELECTROMAGNETIC INDUCTION & ALTERNATING CURRENT-Exercise
  1. In d.c. generator,…………………….generator of a.c. generator is replaced by…...

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  2. A d.c. motor converts ………………………into ……………………….

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  3. When a coil carrying current s …………………..it expericences ………………………….whi...

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  4. In a.c. generator, we use……………………… to determine the direction of………………...

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  5. In d.c. motor, we use……………………….to determine the direction of……………………..

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  6. A transformer is an electrical device that is used for …………………. It ………...

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  7. An a.c. generator consists of a coil of 100 turns and cross sectional ...

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  8. An a.c. generator consists of a coil of 2000 turns each of area 80 cm^...

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  9. A flat coil of 500 turns each of area 50 cm^(2) rotates in a uniform m...

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  10. A coil has 50 turns and its area is 500 cm^(2). It is rotating at the ...

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  11. A generator develops an e.m.f. of 120 V and has a terminal potential d...

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  12. An a.c. generator consists of a coil of 50 turns and area 2.5 m^(2) ro...

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  13. A circular coil having 20 turns, each of radius 8 cm, is rotating abou...

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  14. The resistance of the armature of an electric motor is 55 ohm. The mot...

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  15. A motor has an armature resistance of 4 ohm. On a 240 V supply and a l...

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  16. A motor runs at 20 V. The resistance of the armature is 11 ohm. If the...

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  17. In an ideal transformer, number of turns in primary and secondary are ...

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  18. The primary of a transformer has 200 turns and secondary has 1000 turn...

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  19. A transformer has 200 primary turns and 150 secondary turns. If the op...

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  20. The output voltage of an ideal transformer, connected to a 240 V a.c. ...

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