Why we use duplex coil and hook switch in telephone system?
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what is the difference between RTD & TERMO COUPLE?
A resistance of 50 kΩ has a conductance of:(a) 20S(b) 0.02S(c) 0.02 mS(d) 20 kS
What is the differance between Digital Energy meter & Static energy meter? why the KWH diferance between both meters.
what is meant by MCB and MCCB? and what its full form?
What is control system?
What is phase in electrical engineering?
why we still use sinusoidal waveforms for transmission and utilisation (we know generation is sinusoidal), instead of other ac waveforms such as triangle, sawtooth, square etc.,? is there any mathematical derivations to prove sinusoidal is efficient than others?
Explain the advantages of the wheatstone bridge method of measuring resistance?
If mutual flux is 1.2wb & power factor is 0.8 lag , then what is the Useful flux of a transformer?
What is meant by class of CT&PT?
what is the purpose of vector group in a transformer ? if 2 tranaformers r connected in parallel the vector group is same or not? for parallel operation 2 transformers of different manufacturers maintain same vector group or not?
difference between temperature sensor and temperature switch