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A transformer is employed to...

A transformer is employed to

A

obtain a suitable dc voltage

B

convert dc into ac

C

obtain a suitable ac voltage

D

convert ac into dc

Text Solution

Verified by Experts

The correct Answer is:
C
A transformer is a device to convert alternating current at high voltage into low volltage and vice-versa.
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A2Z-ELECTROMAGNETIC INDUCTION-Applications Of Emi
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  4. What is increase in step-down transformer?

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  5. The transformation ratio in the step-down transformer is

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  6. In a transformer 220 ac voltage is increased to 2200 volts. If the nu...

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  7. The ratio of secondary to the primary turns in a transformer is 3:2. I...

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  8. The primary winding of a transformer has 100 turns and its secondary w...

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  9. A step-down transformer is connected to 2400 volts line and 80 amperes...

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  10. A loss free transformer has 500 turns on its primary winding and 2500 ...

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  11. An ideal transformer has 100 turns in the primary and 250 turns in the...

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  12. A transformer is employed to reduce 220V to 11V. The primary draws a ...

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  13. in a step-up transformer, the turn ratio is 1:2A leclanche cell (e.m.f...

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  14. A 100% efficient transformer has 100 turns in the primary and 25 turns...

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  15. In a lossless transformer an alternating current of 2 amp is flowing i...

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  16. A transformer connected to 220 volt line shows an output of 2A at 1100...

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  17. The coils of a step down transformer have 500 and 5000 turns. In the ...

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  18. A power transformer is used to step up an alternating e.m.f. of 220 V ...

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  19. A step up transformer connected to a 220V AC line is to supply 22 kV f...

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  20. A step-down transformer is connected to 2400 volts line and 80 amperes...

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