We know that a current passing through a resistance has a heating effect, the magnitude of which we measure in…
Metals have a large number of weakly bound electrons in what is called their conduction band. When an electric field…
The Answers to these questions have been provided towards the end: Q1. A Transistor is a? A. Current controlled voltage…
A compound motor is a combination of a series and a shunt-wound motor. Compound-wound motor (long shunt) Compound-wound motor (short…
In the shunt motor, the motor winding is in parallel with the armature. Shunt-wound motor From the figure above, the…
The dc series motor has its windings and armature connected in series across the supply. DC series motor From the…
Power electronics deals with the applications of solid-state electronics for the control and conversion of electric power. The conversion techniques…
Multimeter This is also called volt-ohm-milliammeter (VOM). It is a general purpose instrument having the circuitry and switching arrangement for…
For motors up to a few kilowatts the armature converter draws power from either a single phase or 3-phase utility…
Testing of power transformers is continuous monitoring of faults in all units of such equipment and their timely removal after…
