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To double the voltage generated in a ge...

To double the voltage generated in a generator……

A

the rotational speed of the coil should be halvened .

B

the number of turns of the coil should be doubled

C

the cross- sectional area of the coil should be halvened .

D

none of the given

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The correct Answer is:
B
the number of turns of the coil should be doubled
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KUMAR PRAKASHAN-MAGNETIC EFFECTS OF ELECTRIC CURRENT -CHOOSE THE CORRECT OPTION FROM THOSE GIVEN BELOW EACH QUESTIONS:
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  2. As shown in the following figure , a current - carrying coil ABCD...

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  13. To double the voltage generated in a generator……

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  14. In the following figure , magnetic field of different current - car...

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  15. A current - carrying conducing wire kept in a magnetic field should ...

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  17. In Fleming.s left- hand rule , …….denotes the direction of the magne...

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  18. In the following figure , there bar magnets are shown. Magnets (1) an...

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