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Electrical level 2 Module 2 test 1 All Questions Correctly Answered $10.99   Add to cart

Exam (elaborations)

Electrical level 2 Module 2 test 1 All Questions Correctly Answered

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  • Course
  • NCCER Electrical
  • Institution
  • NCCER Electrical

Electrical level 2 Module 2 test 1 All Questions Correctly Answered Average Value - ANS 0.637x peak value RMS value - ANS .707 x Peak Value Inductance - ANS Opposes the change of current flow Self Inductance - ANS Ability of a conductor to induce voltage in itself when the cur...

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  • August 28, 2024
  • 5
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • NCCER Electrical
  • NCCER Electrical
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JPNAOMISTUVIA
Electrical level 2 Module 2 test 1 All
Questions Correctly Answered
Average Value - ANS 0.637x peak value

RMS value - ANS .707 x Peak Value

Inductance - ANS Opposes the change of current flow




A
Self Inductance - ANS Ability of a conductor to induce voltage in itself when the




VI
current changes

Symbol for inductance - ANS L




TU
The greater the number of turns the greater the - ANS Inductance is.

In an inductive circuit - ANS Voltage leads Current.
IS
Inductive resistance - ANS 2pifl
OM

Capacitor - ANS Device that stores electric charge

Larger plates will produce a - ANS Greater Capacitance

Current leads voltage in a - ANS Capacitive Circuit
NA


Impedance - ANS Total opposition of current flow

Circuit contains both inductance and resistance the current - ANS Will lag the voltage
JP




by some angle between zero and 90 degrees

In a circuit containing resistance only - ANS The circuits are in phase

In a circuit of our capacitance - ANS The current leads voltage by 90 degrees

In a circuit with both resistance and capacitance - ANS The current will lead the
voltage by some angle between zero and 90 degrees

, True Power - ANS Power consumed by resistance

Apparent Power - ANS Product of the source voltage and total current

Reactive Power is - ANS Always 90 degrees out of phase with true power

Transformer - ANS Device that transfers electrical energy from one circuit to another
by electromagnetic induction

Primary winding - ANS Winding connected to the source




A
Secondary winding - ANS The winding connected to the load




VI
Like-wound transformers - ANS Secondary voltage in phase with primary




TU
Unlike-wound transformers - ANS Secondary and primary voltage are 180 degrees
out of phase

Isolation transformers - ANS Are wound so that the primary and secondary voltages
IS
are equal

Frequency - ANS Number of cycles current undergoes per second
OM

Peak voltage in a circuit who's rms is 120VAC - ANS 170volts

Circuit of pure resistance - ANS Voltage and current are in phase
NA


When current increase in AC circuit the inductance - ANS Reduces the current

Pure inductance circuit - ANS The voltage and current are 90 degrees out of phase

Capacitance is measured in - ANS Farads
JP




Power consumed by resistance - ANS Is called true power

Any exposed live parts must be guarded if they are operating at - ANS 50V or more
between terminals

Which of the following are most likely to use dynamic braking? - ANS Forklifts

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