Mathematics · Alternating Current Calculations
A transformer has Np = 2000 turns in the primary winding and Ns = 100 turns in the secondary winding. It is connected to an AC source of Vp = 220 V. If the secondary current is Is = 5 A and energy losses are negligible, what is the primary current Ip?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 120 A
- 22 A
- 31.0 A
- 40.25 A✓
Correct answer
0.25 A
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