voltage

An electrical component has voltage drop $v = V_m \sin (\omega t)$, when the current through it is $i = I_m \sin (\omega t-\theta)$. What is the average power dissipated over a hal...

The electrical network shown has an independent voltage source (10 V) and a current source (1 u(t) mA). The voltage across the capacitor at time instants (in seconds) t = 0+, t = 0...

In the Wheatstone bridge shown below, the sensitivity of the bridge in terms of change in balancing voltage E for unit change in the resistance R, in mV/Ω, is ____________ (round o...

The bus impedance matrix of a 3-bus system (in pu) is $Z_{bus} = \begin{bmatrix} j0.059 & j0.061 & j0.038 \\ j0.061 & j0.093 & j0.066 \\ j0.038 & j0.066 & j0.110 \end{bmatrix}$ A s...

A 3-phase, 400 V, 4 pole, 50 Hz star connected induction motor has the following parameters referred to the stator: R = 1Ω, X_s = X'_r = 2Ω Stator resistance, magnetizing reactance...

In the Wheatstone bridge shown below, the sensitivity of the bridge in terms of change in balancing voltage E for unit change in the resistance R, in mV/Ω, is ________ (round off t...

Which one of the following options represents possible voltage polarities in a single phase two winding transformer? Here, Vp is the applied primary voltage, Ep is the induced prim...

For the circuit shown in the figure, V₁ = 8 V, DC and I₁ = 8 A, DC. The voltage Vab in Volts is __________. (Round off to 1 decimal place).

A balanced delta connected load consisting of the series connection of one resistor (R = 15 Ω) and a capacitor (C = 212.21 µF) in each phase is connected to three-phase, 50 Hz, 415...

The voltage across and the current through a load are expressed as follows v(t) = -170 sin (377t - $\frac{\pi}{6}$) V i(t) = 8 cos (377t + $\frac{\pi}{6}$) A The average power in w...

If v, w, q stand for voltage, energy and charge, then v can be expressed