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ELECTRICAL LEVEL 2 MODULE 1 ALTERNATING CURRENT QUESTIONS AND ANSWERS WITH SOLUTIONS 2024
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ELECTRICAL LEVEL 2 MODULE 1 ALTERNATING CURRENT QUESTIONS AND ANSWERS WITH SOLUTIONS 2024
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ELECTRICAL LEVEL 2 MODULE 1ALTERNATING CURRENT QUESTIONS
AND ANSWERS WITH SOLUTIONS 2024
What is the step-down turns ratio of a transformer with 200 turns in the primary and 100 turns in the
secondary? - ANSWER 2:1
Opening the secondary circuit of a current transformer under load will cause a dangerous level of -
ANSWER induced high voltage
What is the frequency of an AC waveform that completes 20 cycles per half second? - ANSWER 40Hz
A circuit has a peak voltage of 275V. What is the average voltage value? - ANSWER 175V
Each of three equal capacitors in series has - ANSWER one-third the applied voltage
The formula for inductive reactance is - ANSWER XL = 2πfL
What is the current flow in a purely resistive AC circuit if the resistance is 15 ohms and the voltage is
150V? - ANSWER 10A
If the area of the plates of a capacitor is increased, the amount of capacitance - ANSWER increases
The self-induced voltage across an inductance is produced by a change in - ANSWER current with respect
to time
A 30-microfarad capacitor is in parallel with a 15-microfarad capacitor. The total capacitance is - ANSWER
45
One type of nonsinusoidal waveform is the - ANSWER square wave
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