Question

5.
When the resistance of 9 ohm is connected at the ends of a
battery, its potential difference decreases from 40 volt to 30
volt. The internal resistance of the battery is [DPMT 20031
(b) 32
(a) 612
(c) 922
(d) 1522​

Answer 1

Answer:

3ohm

Explanation:

use TPDequal to E-ir