A battery of emf 10 V and internal resistance 3 Ω is connected to a resistor. The current in the circuit is. 0.5 A. The terminal voltage of the battery when the circuit is closed is
A. 10 V
B. zero
C. 8.5 V
D. 1.5 V
Answer:C
A battery of emf 10 V and internal resistance 3 Ω is connected to a resistor. The current in the circuit is. 0.5 A. The terminal voltage of the battery when the circuit is closed is
A. 10 V B. zero C. 8.5 V D. 1.5 V