Questions
In the given figure, a diode D is connected to an external resistance R = 100 and an e.m.f. of 3.5 V. If the barrier potential developed across the diode is 0.5 V, the current in the circuit will be
detailed solution
Correct option is C
The potential difference across the resistance R is V=3.5 V-0.5 V=3 VBy Ohm's lawThe current in the circuit isI=VR=3 V100Ω=3×10-2 A=30×10-3 A=30 mATalk to our academic expert!
Similar Questions
The diode used in the circuit has barrier voltage 0.5 V and maximum power rating is 10 mW. What should be the minimum value of resistance R connected in series with the diode
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