Resistance is one while resistance is non-zero Resistance is zero while resistance is non-zero Resistance is one while resistance is …

The losses concurring due to the current flowing in a restrictive component is called……. Iron loss Silver loss Magnet loss …

Newton Ohm Pascal Ohm/m

In a three phase induction motor rotor is slightly skewed to prevent the magnetic interlocking & hum noise. This phenomena …

Shunt motor heavier than series motor Shunt motor lighter than series motor Both (1) and (2) None of these

Candela Nuton Tesla Ohm

More than 1 ohm Less than 1 ohm Equal to 1 ohm None of these

For any volt-ampere output of a transformer it’s efficiency depends upon……… Power factor low factor high factor None of these

30 KHz to 300 GHz 3 KHz to 30 GHz 3 KHz to 300 GHz None of these

Cathode grid/electron gun Anode grid Both (1) and (2) None of these

Quantization Regulation Utilization None of these

A three single phase transformer unit is advantageous than a 3-phase transformer because……. It can supply power even if one …

It has dangerously high speed on no-load It has normally high speed on no-load It has dangerously low speed on …

Candela Flux Om None of these

Generative braking Regenerative braking Both (1) and (2) None of these

Current control Resistance control Both (1) and (2) None of these

Downward motion of an electric train Upward motion of an electric train Constant motion of an electric train None of …

Which transformer connection is used to convert 2-phase supply to 3-phase supply? Tight connection Scott connection Both connection None of …

Which of the following three phase transformer connection is not widely used in practice……? R-R T-T T-R R-T