Assume that the diode in the figure has on V_on = 0.7V, but is otherwise ideal. The magnitude of the current i₂ (in mA) is equal to __________.

In the circuit shown, assume that diodes D₁ and D₂ are ideal. In the steady-state condition the average voltage V_ab (in Volts) across the 0.5 μF capacitor is _____.

If the circuit shown has to function as a clamping circuit, which one of the following conditions should be satisfied for sinusoidal signal of period T?

For a given sample-and-hold circuit, if the value of the hold capacitor is increased, then