Physics · Electromagnetic Induction
A step-down transformer connected to an AC mains supply of 220 V is made to operate a 11 V, 44 W lamp. Ignoring power losses in the transformer, what is the current in the primary circuit?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 12 A
- 20.4 A
- 30.2 A✓
- 44 A
Correct answer
0.2 A
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