or
or
A 350 kVA, 200/400 V transformer has the following data, Resistance = 1.2%, Reactance = 5.7% Find,
(a) The voltage regulation at rated load and 0.9 power factor lagging.
(b) The efficiency at 75% of rated load.Given, Core loss = 3.2 kW.
A 350 kVA, 200/400 V transformer has the following data, Resistance = 1.2%, Reactance = 5.7% Find,
(a) The voltage regulation at rated load and 0.9 power factor lagging.
(b) The efficiency at 75% of rated load.Given, Core loss = 3.2 kW.
Find currents I and I1 in the following circuit.
Determine the Thevenin's equivalent circuit at terminal X-Y of the following circuit.
If the switch in the following circuit opens at t = 0, find v(t) for t≥ 0 and the initial energy stored in the capacitor.
Show that a series RL circuit is a low pass filter if the output is taken across the resistor. Calculate the cut-off frequency (fc) if L = 2 mH and R = 10 kΩ.
Compute the average and effective values of the square voltage wave shown in the following figure.
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