A cell of e.m.f. 2.1 V gives a current of 0.2 A. This current is passing through the resistance of 10 Ω. The internal resistance of cell is :
A. 0.2 Ω
B. 0.5 Ω
C. 0.8 Ω
D. 0 Ω
Answer:B
A cell of e.m.f. 2.1 V gives a current of 0.2 A. This current is passing through the resistance of 10 Ω. The internal resistance of cell is :
A. 0.2 Ω B. 0.5 Ω C. 0.8 Ω D. 0 Ω