Simple Electric Circuits

Simple Electric Circuits

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Question 1

This circuit is….

A parallel circuit with both lamps OFF

A parallel circuit with both lamps ON

A series circuit with both lamps ON

A series circuit with both lamps OFF

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Are both parallel with X brighter than Y

Question 2

Circuits X and Y ….

Are both parallel with Y brighter than X

Are both series with X brighter than Y

Are both series with Y brighter than X

Circuit X Circuit Y

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Question 3

This circuit does not work because…

The lamps are not connected correctly

Two cells are not powerful enough

The cells are facing each other

There is a break in the circuit

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Question 4

This circuit does not work because..

There is a short circuit.

The lamps are not connected correctly.

The cell is not connected correctly.

The circuit is not complete

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Question 5

When you compare X and Y…

Y is brighter than X

Both are the same brightness

Neither circuit will work.

X is brighter than Y

Circuit X Circuit Y

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Question 6

In this circuit..

X is OFF

Y is OFF

X is ON

Y is ON

X is OFF

Y is ON

X is ON

Y is OFF

X Y

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Question 7

The lamp…

Lights up very brightly.

Does not light because the cells push against each other.

Does not light because of a short circuit.

Blows because there are two cells connected.

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Question 8

In this circuit….

All the lamps are equally bright.

The top two lamps are brightest.

The single lamp is OFF

The single lamp is the brightest one.

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Question 9

When the switch is closed..

Both lamps come ON

Both lamps stay ON

Both lamps go OFF

Both lamps stay OFF

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Question 10

In this circuit…

A2 = A3 A3 + A2 = A1

A4 + A1 = A3A1 + A2 = A3

A3

A1

A2

A4

AAll the are ammeters

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