Electrical level 2 module 1 alternating
current Exam Questions and Answers
100% Pass
What is the step-down turns ratio of a transformer with 200 turns in the primary and
100 turns in the secondary? - ✔✔2:1
Opening the secondary circuit of a current transformer under load will cause a
dangerous level of - ✔✔induced high voltage
What is the frequency of an AC waveform that completes 20 cycles per half second? -
✔✔40Hz
A circuit has a peak voltage of 275V. What is the average voltage value? - ✔✔175V
Each of three equal capacitors in series has - ✔✔one-third the applied voltage
The formula for inductive reactance is - ✔✔XL = 2πfL
What is the current flow in a purely resistive AC circuit if the resistance is 15 ohms and
the voltage is 150V? - ✔✔10A
Katelyn Whitman, All Rights Reserved © 2025 1
current Exam Questions and Answers
100% Pass
What is the step-down turns ratio of a transformer with 200 turns in the primary and
100 turns in the secondary? - ✔✔2:1
Opening the secondary circuit of a current transformer under load will cause a
dangerous level of - ✔✔induced high voltage
What is the frequency of an AC waveform that completes 20 cycles per half second? -
✔✔40Hz
A circuit has a peak voltage of 275V. What is the average voltage value? - ✔✔175V
Each of three equal capacitors in series has - ✔✔one-third the applied voltage
The formula for inductive reactance is - ✔✔XL = 2πfL
What is the current flow in a purely resistive AC circuit if the resistance is 15 ohms and
the voltage is 150V? - ✔✔10A
Katelyn Whitman, All Rights Reserved © 2025 1
