All the diodes in the circuit given below are ideal.
Which of the following plots is/are correct when $V_I$ (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 $V_1=10 \sin 100 \pi t$, 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 below, D$$_1$$ and D$$_2$$ are silicon diodes with cut-in voltage of 0.7 V. $$\mathrm{V_{IN}}$$ and $$\mathrm{V_{OUT}}$$ are input and output voltages in volts. The transfer characteristic is
A circuit and the characteristics of the diode (D) in it are shown. The ratio of the minimum to the maximum small signal voltage gain $${{\partial {V_{out}}} \over {\partial {V_{in}}}}$$ is __________ (rounded off to two decimal places).