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primary of transformer connected to Dc supply in series with
switch, and secondary connected on ammeter, what happens
when swith On and OFF. (or) if continuously On and OFF
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vamshi answer ammeter deflecting but, why because input is
DC and no frequency
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Answer / vamsi
because u giving on and off power which is periodic like sinusoidal
| Is This Answer Correct ? | 0 Yes | 0 No |
Answer / bosky babu
If you switch ON & OFF periodically like a sinosoidal there will be a deflection in ammeter(If it is a low voltage, less than 5V).
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Answer / g.v.k.chowdary
change in voltage will induces the EMF in the coil, so when we switch ON and OFF frequently there will be EMF induced and it will link with the secondary and there will be deflection in the ammeter. in case continously ON or continously OFF there will be no deflection.
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Answer / arunraj
The ammeter shows deflections only if switch is repeatedly
ON and OFF.
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Answer / jagadeesh
it works ausally when connected to primer y in series with
high resistance
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Answer / teja
transformer wont work because their is no change in current
| Is This Answer Correct ? | 0 Yes | 2 No |
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