SSC JE ELECTRICAL 2018 WITH SOLUTION SET-1 QUIZ

Three-phase to two-phase transformation

Any of the above

Three Phase to Single Phase transformation

Single-phase to three-phase transformation

The motor will attain the dangerously high speed

Motor will become slow

Armature current will drop

Armature will oscillate about original speed as the mean speed

0.88

0.68

0.98

0.78

Minority carriers

Fixed donor and acceptor ions

Majority carriers

Both majority as well as minority carriers

2, −1.5

−2, −1.5

−2, 1.5

2, 1.5

The running winding is connected through a centrifugal switch

Both starting and running windings are connected through the centrifugal switch

The centrifugal switch is used to control the supply voltage

The starting winding is connected through a centrifugal switch

High strength

Non corrode

Sharp

Insulation

Upto 10 RPM

Upto 450 RPM

Upto 200 RPM

Upto 10000 RPM

Fm/L

I/H

B/H

φ/Fm

18

14

16

12