Electrical principle questions

Explain the principle of operation of a single phase transformer

State the meaning each of the following i. ohmic conductors, ii. electric power, iii. electrical energy

A current of 2.45 A flows through a 39 microFarads capacitor connected across a 50 Hz supply. Detérmine the supply voltage. (3 marks)June/July 2020

Explain the the principle operation of a single phase transformer

Name five quantities that a cathode ray oscilloscope that is capable of measuring

distinguish between primary and secondary cells

Explain the principle of Wheatstone bridge and derive the formula for balance condition

State four properties of dielectric

Define the term reluctance as used in magnetism

A series circuit consisting of a Capacitor and a resistor is connected across a d.c supply. Draw and label the following circuit transient curves: (i) capacitor voltage transient; – (i) resistor voltage transient; (iti) current transient. (6 marks)June/July 2020