State three advantages of digital meters over analogue meters. (3 marks)June/July 2020
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JemshahEnlightened
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 ...
JemshahEnlightened
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
Explain two types of iron losses occurring in transformers
distinguish between primary and secondary cells
JemshahEnlightened
State faraday’s two laws of electrolysis
State three ways in which the capacitance of a capacitor can be varied
Name five quantities that a cathode ray oscilloscope that is capable of measuring
Describe the following types of DC motors: i. shunt motor ii. series motor
state the factors that determine the capacitance of a capacitor
