The two ends of a 2.3-Ω resistor are connected to a 9.9-V battery.What is the total power delivered by the battery to the circuit?
A) 1.9 W
B) 42.6 W
C) 4.3 W
D) 52.4 W
E) 225.4 W

Name: The two ends of a 2.3-Ω resistor are connected to a 9.9-V battery.What is the total power delivered by the battery to the circuit? A) 1.9 W B) 42.6 W C) 4.3 W D) 52.4 W E) 225.4 W
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Question

The two ends of a 2.3-Ω resistor are connected to a 9.9-V battery.What is the total power delivered by the battery to the circuit?
A) 1.9 W
B) 42.6 W
C) 4.3 W
D) 52.4 W
E) ​225.4 W

Quizplus · Accepted Answer

Power = (Voltage)^2 / Resistance = (9.9 V)^2 / 2.3 Ω = 42.6 W

The Two Ends of a 2