NCCER Level 2 Module 1 Alternating Currents
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Terms in this set (35)
What is the step-down turns ratio of 2:1
a transformer with 200 turns in the
primary and 100 turns in the
secondary?
Opening the secondary of a CT induced high voltage
under load will cause a dangerous
level of___.
, What is the hertz rating of an AC 40Hz
circuit if the frequency is 20 cycles
per 1/2 second?
Given: A circuit has an rms voltage 340V
of 120VAC. What is the peak-to-
peak voltage?
A circuit has a peak voltage of 275V. 175V
What is the average voltage value?
Each of three equal capacitors in one-third the applied voltage
series has___.
The formula for inductive reactance XL=2piefL
is___.
Given: An AC circuit containing 10A
resistance only. What is the current
flow if the resistance is 15 ohms and
the voltage is 150v?
The current in inductive circuit___. Lags the voltage
Unless otherwise noted, the Rms values
calculations in AC circuits use___.
(Latest Update) Questions and
Verified Answers | 100% Correct | Grade A+
Save
Practice questions for this set
Learn 1 /7 Study with Learn
Terms in this set (35)
What is the step-down turns ratio of 2:1
a transformer with 200 turns in the
primary and 100 turns in the
secondary?
Opening the secondary of a CT induced high voltage
under load will cause a dangerous
level of___.
, What is the hertz rating of an AC 40Hz
circuit if the frequency is 20 cycles
per 1/2 second?
Given: A circuit has an rms voltage 340V
of 120VAC. What is the peak-to-
peak voltage?
A circuit has a peak voltage of 275V. 175V
What is the average voltage value?
Each of three equal capacitors in one-third the applied voltage
series has___.
The formula for inductive reactance XL=2piefL
is___.
Given: An AC circuit containing 10A
resistance only. What is the current
flow if the resistance is 15 ohms and
the voltage is 150v?
The current in inductive circuit___. Lags the voltage
Unless otherwise noted, the Rms values
calculations in AC circuits use___.