PYQs Based test 1: Electric Circuits

In the given circuit, for voltage V${}_y$ to be zero, the value of β should be ______. (Round off to 2 decimal places).

Two balanced three-phase loads, as shown in the figure, are connected to a 100√3 V, three-phase, 50 Hz main supply. Given Z₁ = (18 + j24) Ω and Z₂ = (6 + j8) Ω . The ammeter reading, in amperes, is _______. (round off to nearest integer)

In the circuit shown below, the magnitude of the voltage V₁ in volts, across the 8 kΩ resistor is __________. (round off to nearest integer)

In the given circuit, the value of capacitor C that makes current I = 0 is ____________ μF.

In the circuit, switch 'S' is in the closed position for a very long time. If the switch is opened at time t = 0, then i ${}_L$ (t) in amperes, for t ≥ 0 is