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The type of armature winding used in large high -voltage alternators is :
At the leading power factor, the armature reaction of an alternator is :
What type of rotor is used in alternators driven by hydro-turbines?
An RLC series circuit has resonance frequency of 170 kHz and quality factor of 25. Find the bandwidth of the circuit.
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@ehtruestory77
Why is the hold-on coil connected in series with the shunt field in a three -point starter of a DC motor
The armature resistance of a 220 volt DC machine is 0.5 ohm. What is the value of the back EMF when the machine functions as a motor if the full load armature current is 25 amps?
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In an electrical circuit, the current that changes periodically, both in magnitude and direction, at regular intervals of time is called.............
Calculate the apparent power of a circuit if the circuit has a power factor of 0.8 and the active power of the circuit is 40 W.
In a pure inductive circuit, if the frequency of the AC source is doubled, then its inductive reactance will:
