Question

21. A current of 2 A flows through a 20 resistor when connected across a battery. The same battery
supplies a current of 0.5A when connected across a 9 ohm resistor. Then the intemal resistance of the
battery is :
(A) 0.5
(B) 1/30
(C) 1/4
(D) 10
​

Answer 1

Explanation:

0.5 option A is the answer.

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Answer 2

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