
Earth Fault Loop Paths and Impedance

Passage
•
Science
•
12th Grade
•
Hard
Standards-aligned
Quizizz Content
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does impedance refer to in electrical installations?
The total opposition to current flow
The total current flow in a circuit
The power consumed by a circuit
The voltage across a circuit
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What components make up the total impedance of a circuit?
Resistance and capacitance
Inductance and resistance
Capacitance and inductance
Voltage and current
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What opposes the current flowing through copper cables?
Inductance
Voltage
Resistance
Capacitance
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the inductive part of a transformer winding do?
Increases voltage
Opposes the current flow
Decreases resistance
Increases current flow
Tags
NGSS.HS-PS2-5
NGSS.HS-PS3-5
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the abbreviation for impedance?
L
Zs
R
I
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the path followed by fault current in an earth fault loop impedance?
From the phase conductor to the neutral
From the phase conductor to earth
From the earth to the neutral
From the neutral to the phase conductor
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What affects the size of the fault current?
The value of the combined resistances/inductance within the earth fault loop
The inductance of the circuit
The voltage of the circuit
The capacitance of the circuit
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