CBSE Class 12 Physics 2013 Paper

Question : 11 of 29

Marks: +1, -0

Assuming that the two diodes

D_1

and

D_2

used in the electric circuit shown in the figure are ideal, find out the value of the current flowing through

1 Ω

resistor.

Solution:

D_1

is forward biased.

D_2

is reversed biased. Hence, the circuit may be considered as:

So, the current through

1 Ω

resistor is

\;{6 V}/{(2+1) Ω}=2 A

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