J of heat is produced each second in a 4Ω resistor. The potential difference across the resistor will be:
A. 30 V
B. 10 V
C. 20 V
D. 25 V
Answer:B
J of heat is produced each second in a 4Ω resistor. The potential difference across the resistor will be:
A. 30 V B. 10 V C. 20 V D. 25 V