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A 3 3 k resistor dissipates 0 25 W The current...

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Energy and Power
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A 3.3 kΩ resistor dissipates 0.25 W. The current is

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Correct Answer: Option A
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Awais Ahmed
Awais Ahmed 2 years ago
Solution

Power loss in a resistor (P) =I2.R

Where, I is the current

R is the resistance

P is the power loss. Always power loss in a resistor takes place in the form of heat energy.

Given Resistance = 3.3 KΩ

Power loss = 0.25 Watt

0.25=I2×3300

Current i=√(0.25/3300)=8.7 mA
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