In the given figure, a diode 
is connected to an external resistance 
and an emf of 3. 
. If the barrier potential developed across the diode is 0.5 V, the current in the circuit will be: [2015 Re]
A
35 
B
30 
C
40 
D
20 
Text Solution
Verified by ExpertsThe correct answer is:
B
The potential difference across the resistance 
is
By Ohm's law, The current in the circuit is
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