Correct Option: B

The given circuit

From given circuit,

I1 = 0·4 ×	40
	40 + 10

or

I1 = 0·4 ×	40	= 0·32 A
	50

Again from given circuit
V_d – 10I₁ + 0·25I₁ = 0
or
V_d = 9·75I₁ = 9·75 × 0·32 = 3·12V
Hence alternative (B) is the correct choice.