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Is it true that the circuit given below the ammeter reading will be $0 A$ in circuit I and $1 A$ in circuit II?

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True

False

answer is A.

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Detailed Solution

The above statement is True.
Current only flows when a circuit is complete, or we can say that when there is no gap in a circuit. In case I, the circuit is open. Hence, no current will flow through it or

I = 0 A

. And in case II, the circuit is closed, and the current is given by

V / R

, where

V

is the voltage and R is the resistance in the circuit.

\Rightarrow I = \frac{5}{5}

\Rightarrow I = 1 A

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