PYQs Based Test - 02 : Electrical Circuits and Machines

A circuit consisting of dependent and independent sources is shown in the figure. If the voltage at Node 1 is - 1 V, then the voltage at Node 2 is ________ V.

I₁, I₂ and I₃ in the figure below are mesh currents. The correct set of mesh equation for these currents, in matrix form, is _______

In the circuit shown in the following figure, the switch is kept closed for a long time and then opened at t = 0. The value of current 'i', just before opening the switch (t = 0⁻) and after opening the switch (t = 0⁺) are, respectively.

In the figure, an RLC load is supplied by a 230 V, 50 Hz single phase source. The magnitude of the reactive power (in VAr) supplied by the source is ________.

In the circuit show in the following figure, the current through the 1 Ω resistor is