In the given circuit, A.C. source is given by: \[ V = 282 \sin (100 \pi t) \text{ volt} \] The internal resistance of the source is \( 2000 \, \Omega \).

Find out:
(i) rms value of source voltage
(ii)inductive reactance of the circuit
(iii) impedance of the circuit
Two p-n junction diodes \(D_1\) and \(D_2\) are connected as shown in the figure. \(A\) and \(B\) are input signals and \(C\) is the output. The given circuit will function as a _______. 
In the circuit with ideal devices, the power MOSFET is operated with a duty cycle of 0.4 in a switching cycle with \( I = 10 \, {A} \) and \( V = 15 \, {V} \). The power delivered by the current source, in W, is: \[ {(round off to the nearest integer).} \] 
The op-amps in the following circuit are ideal. The voltage gain of the circuit is __________ (round off to the nearest integer). 