A 
lamp is connected to the secondary of a step down transformer, whose primary is connected to ac mains of 220 V. Assuming the transformer to be ideal. What is the current in the primary winding?
A
2.7 A
B
3.7 A
C
D
0.27 A
Text Solution
Verified by ExpertsThe correct answer is:
D
Given :
volt
For ideal transformer
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