Question

$V_m$ is the maximum voltage between trends of the secondary terminal of a transformer used in a half wave rectifier. When the PN junction diode is reverse biased, what will be the potential difference between two ends of the diode?

• A. Zero
• B. $\frac{V_m}{2}$
• C. $V_m$
• D. $2V_m$

Answer 1

The correct option is A Zero

When the diode is reverse biased, the secondary circuit will break as resistance of a reverse biased diode is assumed to be infinite ideally. So. there will be no current in secondary circuit and the potential difference between two ends of the diode will be $zero$

Therefore A is correct option.