Electrical 2 Module 1 Exam Questions
and Answers 100% Solved | Graded A+
The hertz rating of a ac circuit is __ if the frequency is 20 cycles
per 1/2 second - ✔✔40 hertz
A circuit has an rms voltage of 120vac, the peak voltage is? -
✔✔170v
The turns ratio of a transformer with 200 turns into primary and
100 turns in the secondary is __ - ✔✔2:1
Opening the secondary of a CT (current transformer) underload
will cause? - ✔✔Dangerously high voltages
A circuit has a peak voltage of 275 V the average voltage is. How
do you get that? - ✔✔175.175v. 275x.637
Three equal capacitors in series has __ of the applied voltage -
✔✔1/3
The formula for inductive reactance is - ✔✔X(L) =2(pie)(f)(l)
1
©NINJANERD 2025/2026. YEAR PUBLISHED 2025.
, Current an inductive circuit __ the voltage - ✔✔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 - ✔✔10 amps
The calculations in AC circuits are done using __ unless stated
otherwise - ✔✔Effective voltage value
Capacitive reactance __ when Frequency increases -
✔✔Decreases
The current in a capacitive of circuit __ the voltage - ✔✔Leads
The average value of a AC sine wave is __ times the peak value -
✔✔0.637
All DC rules and laws including Ohms law apply in AC circuits
containing only __ - ✔✔Resistance
To increase the capacitance of a capacitor __ the area of plates -
✔✔Increase
They self induced voltage Cross and inductance is equal to the
change in __ with respect to time - ✔✔Current
2
©NINJANERD 2025/2026. YEAR PUBLISHED 2025.
and Answers 100% Solved | Graded A+
The hertz rating of a ac circuit is __ if the frequency is 20 cycles
per 1/2 second - ✔✔40 hertz
A circuit has an rms voltage of 120vac, the peak voltage is? -
✔✔170v
The turns ratio of a transformer with 200 turns into primary and
100 turns in the secondary is __ - ✔✔2:1
Opening the secondary of a CT (current transformer) underload
will cause? - ✔✔Dangerously high voltages
A circuit has a peak voltage of 275 V the average voltage is. How
do you get that? - ✔✔175.175v. 275x.637
Three equal capacitors in series has __ of the applied voltage -
✔✔1/3
The formula for inductive reactance is - ✔✔X(L) =2(pie)(f)(l)
1
©NINJANERD 2025/2026. YEAR PUBLISHED 2025.
, Current an inductive circuit __ the voltage - ✔✔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 - ✔✔10 amps
The calculations in AC circuits are done using __ unless stated
otherwise - ✔✔Effective voltage value
Capacitive reactance __ when Frequency increases -
✔✔Decreases
The current in a capacitive of circuit __ the voltage - ✔✔Leads
The average value of a AC sine wave is __ times the peak value -
✔✔0.637
All DC rules and laws including Ohms law apply in AC circuits
containing only __ - ✔✔Resistance
To increase the capacitance of a capacitor __ the area of plates -
✔✔Increase
They self induced voltage Cross and inductance is equal to the
change in __ with respect to time - ✔✔Current
2
©NINJANERD 2025/2026. YEAR PUBLISHED 2025.
