The current flowing through the voltage source in the below

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The current flowing through the voltage source in the below circuit is—

1. 1.0 A
2. 0.75 A
3. 0.5 A
4. 0.25 A

Correct Option: A

The given circuit

By applying source transformation in 0.25 A current source, we get the equivalent circuit as shown below.

V = IR = 0.25 × 4 = 1V (with positive terminal downward) Let the current I is flowing in 3V voltage source.
3 + 1 = I.4

or I =	4	= 1A
	4