A 500 MVA 66 kV/132 kV transformer star-delta has per unit leakage reactance of 0.1 pu on the base of 500 MVA, primary voltage 66 kv. What is the leakage reactance referred to secondary side in ohms is:
The expected value of current through a resistor is 20 mA. However, the measurement yields a current value of 18 mA, calculate Relative accuracy-
In speech signal processing, pitch is
In a measurement system, the component which decides the time response of an indicating type instrument is
Which of the following is the cause for flow of current in a solid conductor?
Maxwell’s divergence equation for the magnetic field is given by
A particular circuit has four resistances 100 Ω, 50 Ω, 25 Ω and X Ω connected in parallel. Current through 25 Ω resistance is 4 A. If the total current is 15 A, what is the current through the resistance X Ω?
A transformer has a turn ratio of 4. What is the secondary voltage when 10 V is applied to the primary and the coupling coefficient is 0.85?
A 12-pole, 440 V, 50 Hz, 3-phase synchronous motor takes a line current of 100 A at 0.8 pf leading. Neglecting losses, the torque developed will be
Addition of open-loop poles results into which of the following?