BITSAT2019PhysicsSemiconductorsActual
In the following circuit diagram, the current through the battery is
Options
- A4   A
- B3   A
- C1   A
- D2   A
Correct answer
D. 2   A
Step-by-step solution
From the figure, It is clear that diodes D 1 and D 3 are reverse biased, therefore they will not conduct any current and the resistance of 11   Ω and 5   Ω will be not in use. The diode D 2 is forward biased, therefore the current flowing through the diode D 2 is same as the current through the battery. On redrawing the circuit as shown, we can obtain the value of current as i = 20 7 + 3 = 2   A