BITSAT 2019 Slot 2 Solved Paper

In the given circuit diode D2 is reverse biased, so it will not conduct.
Diodes D1 and D3 are forward biased, so they will conduct.
Thus the equivalent circuit is
∴R‌net ‌=‌

(4+4)×16

(4+4)+16

=‌

8×16

24

=‌

16

3

Ω
∴ Current through battery,
I=‌

V

Rnet

=‌

16

16∕3

=3A