Current Electricity Charging Discharging Of Capacitors Question 633

Question: A current of 2.0 ampere passes through a cell of e.m.f. 1.5 volts having internal resistance of 0.15 ohm. The potential difference measured, in volts, across both the ends of the cell will be

[UPSEAT 1999, 2000]

Options:

A) 1.35

B) 1.50

C) 1.00

D) 1.20

Show Answer

Answer:

Correct Answer: D

Solution:

$ V=E-ir=1.5-2\times 0.15=1.20Volt $ .