Class 10 Physics MCQs – Certification Test 938

Transformer MCQs (Question 938) – Study App & e-Book Download

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MCQ 938: If the AC source is 240 V and a transformer supplies 12 V to a model train which draws a current of 0.8 A then primary current is:

0.4 A
0.04 A
0.041666667
0.083333333

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