A cell of emf 1.1 V and internal resistance r is connected across an external resistor of resistance R = 10 r. The potential difference across the resistor is
A. 0.1 V
B. 0.9 V
C. 1.0 V
D. 1.1 V.
Answer:C
A cell of emf 1.1 V and internal resistance r is connected across an external resistor of resistance R = 10 r. The potential difference across the resistor is
A. 0.1 V B. 0.9 V C. 1.0 V D. 1.1 V.