In a standard center-tap full-wave rectifier circuit, diodes D₁ and D₂ are connected to the upper and lower ends of the secondary coil respectively. The input AC voltage is given by V = V₀ (50 t) . At a certain instant of time t , it is observed that diode D₁ is reverse biased and diode D₂ is forward biased. Which of the following could be a possible value of time t ?

Step-by-step solution

The input voltage is V = V₀ (50 t) . The angular frequency is = 50 rad/s , so the time period of the AC input is T = 2 = 2 50 = 0.04 s = 40 ms . During the positive half-cycle ( 0 During the negative half-cycle ( 20 ms At t = 20 ms , the voltage is zero, so neither diode conducts. At t = 45 ms , the cycle repeats and it is again in the positive half-cycle. Therefore, the time t must lie between 20 ms and 40 ms . Among the given options, 35 ms is the only possible value. Answer: 35 ms