Country : South Africa
Assignment Task:

Task:

Instructions: Answer all questions. You may start with any question and make sure that your questions numbering is correct
Question 1 [16]
A voltage e=100sin314t+50sin942t+25sin(1570 t) is applied to a series circuit containing a resistance of 20 ohms, an inductance of 0.04 henry at 50 Hz.
Calculate the following:
An expression for the instantaneous value of the current.(8)
RMS value of the current.(2)
RMS value of the applied voltage.(2)
Power dissipated by the circuit.(2)
1.5 The power factor of the circuit.(2)
Question 1 [9]
A voltage e=100sin314t-30°+25sin(942t+60°)+30sin(1570 t+45°) is applied to a series circuit containing a resistance of 10 ohms, an inductance of 0.02 henry and a capacitance of 60 microfarad at 50 Hz.
Calculate the following:
An expression for the instantaneous value of the current.(9)

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  • Posted on : July 05th, 2019