A p-n junction ideal diode is in forward bias and a current of 20mA flows through the circuit. When it is in reverse bias, the magnitude of the current is
A
20mA
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B
Infinity
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C
Zero
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D
30mA
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Solution
The correct option is D Zero The reverse current is of the range of few micro-amperes hence cannot be measured with milliammeter. In milliammeter, it will show zero reading hence reverse current is zero here.