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What is increase in step-down transforme...

What is increase in step-down transformer?

A

voltage

B

current

C

power

D

current density

Text Solution

Verified by Experts

The correct Answer is:
B

We know that for step down transformer
`V_(p)gtV_(s)` but `(V_(p))/(V_(s))=(i_(s))/(i_(p)),:.I_(s)gti_(p)`
current in the secondary coil is greater than primary.
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A2Z-ELECTROMAGNETIC INDUCTION-Applications Of Emi
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  3. What is increase in step-down transformer?

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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