EXAMIANS
Calculate the power factor of an AC circuit having the impedance of 16 Ohms, if a 4 A current flows through it and its average power consumption is 200 W.
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In a synchronous motor which loss varies with the load?
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The speed of the ceiling fan is about
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Which one of the following is the S.I unit of the magnetic field strength?
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A circuit having the power factor of 0.8 consumes 40 W. What will be the value of reactive power (in VAR) of the circuit?
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What will be the value of average power (in Watt) of a sinusoidal voltage applied across a series circuit is 20 sinωt V and the current flowing the circuit is 10 sin(ωt + 60)A?
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Determine the percentage voltage error of a potential transformer with the system voltage of 11000 V and having a turn’s ratio of 104 if the measured secondary voltage is 98 V
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LED lamp have a general life expectancy of
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The relative permeability of the diamagnetic material is
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The unit of luminous flux is
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