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The from factor of an a.c. generator is ...

The from factor of an a.c. generator is given by

A

`(I_(av))/(I_(0))`

B

`(I_(0))/(I_(av))`

C

`(I_(av))/(I_(v))`

D

`(I_(v))/(I_(av))`

Text Solution

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The correct Answer is:
D
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PRADEEP-ELECTROMAGNETIC INDUCTION & ALTERNATING CURRENT-Exercise
  1. The peak value of alternating e.m.f. in a generator is given by e(0) =

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  2. The frequency of a.c. generated depend on

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  3. The from factor of an a.c. generator is given by

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  4. State Fleming's left-hand rule.

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  5. What is the role of the split-ring in an electric motor?

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  6. The efficiency of d.c. motor is given by eta =

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  7. A transformer is an electrical device used for

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  8. The relation (E(s))/(E(P)) = (n(s))/(n(P)) is applicable only be

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  9. A battery of 12 V is connected to primary of a transformer with turns ...

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  10. Out of the following , choose the wrong statement :

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  11. An a.c. generator is a machine that produces…………….from………………

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  12. An a.c generator is based on the phenomenon of……………………………

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  13. In hydroelectric power station,………………of falling water is converted int...

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  14. A d.c. generator produces…………………from…………………

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  15. In d.c. generator,…………………….generator of a.c. generator is replaced by…...

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

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

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

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

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

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