An instantaneous change in voltage is not possible in a/an -
resistor
inductor
Capacitor
current source
When a shaft is subjected to a twisting moment, every cross section of the shaft will be under _____ stress.
tensile
compressive
Shear
Bending
The available energy of a system _____ as its temperature or pressure decreases and approaches that of the surroundings.
The power input to an induction motor is 50 kW when it is running at 4% slip. If the stator resistance and core losses are neglected, the rotor copper loss is
The thermal efficiency of diesel engines is about
The speed regulation of a synchronous motor is always
১%
0.5%
80%
0