Calculate potential difference across a $4 \Omega$ resistor that produces 100 J of heat every second.
Explanation
To calculate potential difference, we use the formula: V = √(P × R), where V is the potential difference, P is the power, and R is the resistance. Given that the power (P) is 100 J/s and the resistance (R) is 4 Ω, we can substitute these values into the formula to find the potential difference.
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