Current Electricity Charging Discharging Of Capacitors Question 579

Question: A cell of $ e.m.f. $ $ 1.5,V $ having a finite internal resistance is connected to a load resistance of $ 2,\Omega $ . For maximum power transfer the internal resistance of the cell should be

[BIT 1988]

Options:

A) 4 ohm

B) 0.5 ohm

C) 2 ohm

D) None of these

Show Answer

Answer:

Correct Answer: C

Solution:

For maximum power, external resistance = internal resistance.