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ELECTRICAL 2 MODULE 1 QUESTIONS AND ANSWERS WITH SOLUTIONS 2024
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ELECTRICAL 2 MODULE 1 QUESTIONS AND ANSWERS WITH SOLUTIONS 2024
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ELECTRICAL 2 MODULE 1 QUESTIONSAND ANSWERS WITH SOLUTIONS 2024
The hertz rating of a ac circuit is __ if the frequency is 20 cycles per 1/2 second - ANSWER 40 hertz
A circuit has an rms voltage of 120vac, the peak voltage is? - ANSWER 170v
The turns ratio of a transformer with 200 turns into primary and 100 turns in the secondary is __ -
ANSWER 2:1
Opening the secondary of a CT (current transformer) underload will cause? - ANSWER Dangerously high
voltages
A circuit has a peak voltage of 275 V the average voltage is. How do you get that? - ANSWER 175.175v.
275x.637
Three equal capacitors in series has __ of the applied voltage - ANSWER 1/3
The formula for inductive reactance is - ANSWER X(L) =2(pie)(f)(l)
Current an inductive circuit __ the voltage - ANSWER Lags behind
The current an AC circuit With resistance only is __. the circuit has a resistance of 15 ohms and a voltage
of 150 V - ANSWER 10 amps
The calculations in AC circuits are done using __ unless stated otherwise - ANSWER Effective voltage
value
Capacitive reactance __ when Frequency increases - ANSWER Decreases
The current in a capacitive of circuit __ the voltage - ANSWER Leads
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