In a series circuit with 4 bulbs:

all of the bulbs become dimmer if another bulb is added

There are many paths for electricity to take

the remaining 3 bulbs stay lit if one burns out

In a simple series circuit, why does the bulb light when you close the switch?

B. Because closing the switch completes the circuit

A. Because the switch produces electricity

C. Because closing the switch breaks the circuit

What is the difference between a conductor and an insulator?

A conductor allows electricity to flow through it easily and an insulator does not.

An insulator allows electricity to flow through it easily and a conductor does not

An insulator is magnetic and a conductor is not

A conductor is magnetic and an insulator is not

Which best describes a parallel circuit?

Electricity flows along more than one pathway.

Electricity flows along one pathway.

The flow of electricity comes from more than one source.

The flow of electricity comes from more than 1 load.

Current is referred to as:

rate of flow of charge through a circuit

rate of flow of electrons through a circuit

how the energy pushes the charge through the wire

the difference in charge between 2 points

the material's tendency to resist flow of electrons

the rate at which a charge is flowing

the difference of charge between 2 points

Why are homes not wired in series circuits?

If you turn off one appliance, the rest will turn off.

Homes are wired in series circuits.

Grade 9 Electricity

Authored by Tanya Dyke

Physics

9th Grade

NGSS covered

Used 564+ times

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40 questions

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MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the voltage of a 60 ohm, 2 amp device?

0.033

10.95

120

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Resistance is measured in what unit?

ohms

amps

watts

volts

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Current is measured in what unit?

ohms

volts

watts

amps

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does the Greek letter Ω, (i.e. Omega) represent?

amps

volts

watts

ohms

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is NOT a good insulator?

rubber

wood

iron

plastic

Potential difference is another term for

current

voltage

energy

watts

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

what is the resistance of a lamp whose current is 6 A and the voltage across it is 120 V?

120 0hm

20 ohm

16 ohm

10 ohm

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Grade 9 Electricity

What is the voltage of a 60 ohm, 2 amp device?

Resistance is measured in what unit?

Current is measured in what unit?

What does the Greek letter Ω, (i.e. Omega) represent?

Which of the following is NOT a good insulator?

Potential difference is another term for

what is the resistance of a lamp whose current is 6 A and the voltage across it is 120 V?

What is another name for a battery in a circuit?

What is another name for a lightbulb in a circuit?

What is another name for the wires in a circuit?

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