A resistor is rated for a maximum power of

PHYSICS · Single correct · A Level · Physics · Electricity · Electricity

Problem

A 50 Ω50\,\Omega resistor is rated for a maximum power of 0.50 W0.50\,\text{W}. What is the maximum safe current that can pass through it without exceeding its rating? (a) 0.14 A0.14\,\text{A} (b) 0.05 A0.05\,\text{A} (c) 0.10 A0.10\,\text{A} (d) 0.20 A0.20\,\text{A}

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