What is the maximum current that can be drawn from the battery?

The storage battery of a car has an emf of 12 Volt. If the internal resistance of the battery is 0.4 Ω, what is the maximum current that can be drawn from the battery?

Expert Solution

In the given question,

The EMF of the battery is given as \( E = 12 V \)

The internal resistance of the battery is given as \( R = 0.4 Ω \)

The amount of maximum current drawn from the battery is given by = \( I \)

According to Ohm’s law,

\( E = IR \)

Rearranging, we get

\( I = \frac{ E }{ R } \)

Substituting values in the above equation, we get

\( I = \frac{ 12 }{ 0.4 } = 30 A \)

Therefore, the maximum current drawn from the given battery is 30 A.

Maximum current drawn from the given battery is 30 A.

Ajay Kumar Gupta answered 3 years ago

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