4.A] With the help of a phasor diagram, show that the current drawn by the R-C series circuit, leads the applied voltage by an angle ∅ with respect to voltage.…
3.C] A three single phase balanced load connected in three phase three wires star form, with the help of phasor diagram, obtain the relationship between line and phase quantities of…
3.B] A voltage of 125 V at 60 Hz is applied across a non-inductive resistor connected in series with a capacitor. The current is 2.2 A. The power loss in…
3.A] With the help of a phasor diagram, show that the current drawn by the R-L series circuit, lags the applied voltage by an angle ∅ with respect to voltage.…
2.C] Two resistors are connected in parallel and a voltage of 200V is applied to the terminals. The total current taken is 2.5 A, and the power dissipated in one…
2.B] A pure inductor excited by sinusoidally varying AC voltage, show that the average power consumed by the inductor is zero. Answer:- P = 0 [Hence Proved]
2.A] A load resistance 𝑅𝐿Ω is connected across the source 𝑉𝑆 with internal resistance 𝑅𝑖𝑛𝑡 in series with source; obtain the condition that the power transferred to load from source…
1.C] A resistance R is connected in series with a parallel circuit comprising two resistances of 12 Ω and 8Ω respectively. The total power dissipated in the circuit is 70…
1.B] A sinusoidally varying alternating voltage is given by, 𝑣(𝑡) = 𝑉𝑚𝑠𝑖𝑛𝜔𝑡, to obtain its RMS value of voltage in terms of maximum value. Answer:- RMS Value of an Alternating…
7.B] What is a slip of an induction motor and derive an expression for the frequency of rotor current in terms of supply frequency? Answer: Slip of Induction Motor: Slip…
