In the circuit shown, the identical transistors Q1 and Q2 are biased in the active region with . The Zener diode is in the breakdown region with  and .

If  and , then the values of  and  (in , rounded off to one decimal place) are __________, respectively.

All the diodes in the circuit given below are ideal.

Which of the following plots is/are correct when  (in Volts) is swept from - M to M?

The diode in the circuit shown below is ideal. The input voltage (in Volts) is given by , where time t is in seconds.

The time duration (in ms, rounded off to two decimal places) for which the diode is forward biased during one period of the input is ________ .

In the circuit shown, the  step-down transformer and the diodes are ideal. The diodes have no voltage drop in forward biased condition. If the input voltage (in Volts) is  and the average value of load voltage  (in Volts) is , the value of  is ________.

As shown in the circuit, the initial voltage across the capacitor is , with the switch being open. The switch is then closed at . The total energy dissipated in the ideal Zener diode  after the switch is closed (in , rounded off to three decimal places) is ________.

In the circuit shown below,  and  are silicon diodes with cut-in voltage of .  and  are input and output voltages in volts. The transfer characteristic is