Questions
The number of turns in primary and secondary coils of a transformer is 50 and 200. If the current in the primary coil is 4A, then the current in the secondary coil is
detailed solution
Correct option is A
NpNs = εpεs=IsIp ⇒50200=Is4⇒Is=1A .Talk to our academic expert!
Similar Questions
A transformer connected to 220 volt line shows an output of 2 A at 11000 volt. The efficiency is 100%. The current drawn from the line is
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