Question:medium
A coil of resistance 10 \( \Omega \) is connected to a battery of 12 V. If the current flowing through the coil is 2 A, what is the power dissipated in the coil?
A coil of resistance 10 \( \Omega \) is connected to a battery of 12 V. If the current flowing through the coil is 2 A, what is the power dissipated in the coil?
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To find the power dissipated in a resistor, use the formula \( P = I^2 R \). If you know the voltage and resistance, you can also use \( P = \frac{V^2}{R} \) for easier calculation.
Updated On: Nov 26, 2025
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