A car battery has an emf of 12 V. If the internal resistance of the battery is 0.5 ohm, then the maximum current that can be drawn from the battery will be
30 A
24 A
20 A
6 A
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A car battery has an emf of 12 V. If the internal resistance of the battery is 0.5 ohm, then the maximum current that can be drawn from the battery will be
30 A
24 A
20 A
6 A
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ANSWER :-
Given,
The E. M. F of battery (E) is 12 volt.
The internal resistance (r) is 0.5 ohm
When no external resistance in battery -
Now,
According to Kirchoffs law - >
Hence, the maximum current that can be drawn from the battery will be 24 Ampere.
Option ( b ) is the correct one.