A transformer has 20 turn of primery and 100 turns of secondary if the two ends of the primary are connected to a 220 v d. c supply the voltage across the secondary will be what
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Answer:
Es = 11,000
Explanation:
Given the number of turns in primary coils Np = 20
and
number of turns in secondary coils Ns = 100
Voltage across primary coil E p =220V
We know
Ns / Np = Es / Ep
100 / 20 = Es / 220
50×220 = Es
Es = 11000 v
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