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प्रश्न
A current 0.2 A flows in a wire of resistance 15Ω. Find the potential difference across the ends of the wire.
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उत्तर
I = 0.2 A
R = 15 V
According to Ohm's law ,
V = IR
∴ V = 0.2 × 15 = 3.0 V
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