Earth Fault Loop Paths and Impedance

Earth Fault Loop Paths and Impedance

Assessment

Passage

Science

12th Grade

Hard

NGSS
HS-PS2-5, HS-PS3-5

Standards-aligned

Created by

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10 questions

Show all answers

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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