A cell of emf 1.5V is connected in series with a 1Ω resistor and a current of 0.3A flows through the resistor. Find the internal resistance of the cell

By: |Published on: Nov 8|Categories: Physics JAMB| 0 comments

A. 4.0Ω
B. 3.0Ω
C. 1.5Ω
D. 1.0Ω

Correct Answer:

Option A – 4.0Ω

Explanation

r = E/I−R

r = (1.5/0.3)−1

r = 4Ω

Users Also Read These:

SEE ALSO  The component of vector X along the direction of vector Y is zero when?

Copyright warnings! Do not copy.