ELECTRICAL 2 MODULE 1 QUESTIONS AND ANSWERS WITH SOLUTIONS 2024

ELECTRICAL 2 MODULE 1 QUESTIONS
AND 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