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Physics for IGCSE & O level - Electricity (Section 8 - No. 38)
If a 100W light bulb operates at 120V, what is the current draw?
0.83 Amps
1.2 Amps
12 Amps
12000 Amps
Forklaring
I = P/V, therefore Current = 100W / 120V ≈ 0.83A
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