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
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State the three basic SI units and their quantities as used in measurements
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A moving coil instrument has a coil resistance of 12Q anda maximum permissible instrument current of 18 mA. The instrument is converted to a voltmeter with a full scale deflection of 250 V. (i) Determine the value of the resistor to ...
Define the term reluctance as used in magnetism
Define the following with reference to electric circuits i. Node, ii. Branch iii. Loop
Explain the the principle operation of a single phase transformer
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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
Describe the following types of DC motors: i. shunt motor ii. series motor
