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Volts & Amps

Total questions: 21

Worksheet time: 23mins

Name
Class
Date
1.
The unit for current is the 
a)
Volt
b)
Ohm
c)
Electron
d)
Amp
2.
In a ________ circuit there are multiple paths for the current to take.
a)
Series
b)
Parallel
3.
The movement of electrons from atom to atom in a line results in a flow of _____. 
a)
amperage.
b)
electric current.
c)
electromagnetic connectors. 
4.
Current has units: 
a)
kilowatt·hour 
b)
ampere 
c)
coulomb 
d)
volt 
5.
Which best describes a parallel circuit?
a)
Electricity flows along one pathway.
b)
The flow of electricity comes from one source. 
c)
Electricity flows along more than one pathway. 
d)
The flow of electricity comes from more than one source. 
6.
What kind of circuit is this?
a)
series
b)
parallel
7.

What type of circuit is the image showing?

a)

Parallel

b)

Series

c)

No circuit

8.
Voltage is simply defined as...
a)
what 'pushes' electrons
b)
what 'stops' electrons
c)
moving electrons
9.
The picture shows an electrical circuit. This circuit is a series circuit because: 
a)
It has 3 light bulbs.
b)
The same current flows through all three light bulbs.
c)
It uses a single battery.
d)
The electrical current is divided between the three light bulbs.
10.
In a parallel circuit which of the following is the same value throughout the circuit?
a)
Voltage
b)
Current
c)
Resistance
d)
Charge
11.
a)
Series circuit - Bulbs are lit
b)
Series circuit - Bulbs are off
c)
Parallel circuit - Bulbs are lit
d)
Parallel circuit - Bulbs are off
12.
a)
Bulbs are in parallel - Circuit X is brighter than Circuit Y
b)
Bulbs are in parallel - Circuit Y is brighter than Circuit X
c)
Bulbs are in series - Circuit X is brighter than Circuit Y
d)
Bulbs are in series - Circuit Y is brighter than Circuit X
13.
This circuit does not work because…
a)
the bulbs are not connected properly
b)
two cells are not powerful enough
c)
there is a break in the circuit
d)
the cells are facing each other
14.
a)
all bulbs are lit equally
b)
the two top bulbs are brighter
c)
the single lower bulb is brighter
d)
the single bulb does not light and the other two are dim
15.
What will happen if one light bulb is removed from this circuit?
a)
The other bulbs will go out.
b)
The other bulbs will stay on
c)
The other bulbs will get dimmer.
d)
The battery will become stronger.
16.
When you remove a bulb from a three bulb circuit, and the other two bulbs go off, then the bulbs must have been connected in __________.
a)
parallel
b)
series
c)
open
d)
closed
17.

The circuit shown contains three ammeters X, Y and Z.


Which ammeter has the largest reading?

a)

X

b)

Y

c)

Z

d)

They all have the same reading.

18.

The diagram shows a circuit containing three ammeters P, Q and R.


Which statement about the readings on the ammeters is correct?

a)

The reading on P is equal to the reading on Q.

b)

The reading on P is equal to the reading on R.

c)

The reading on Q is greater than the reading on P.

d)

The reading on Q is greater than the reading on R.

19.

The diagram shows a circuit including a lamp, an electric bell and three switches S1, S2 and S3. The lamp and bell are not faulty.


The bell is ringing but the lamp is not lit. Which switches are closed?

a)

S1 only

b)

S1 and S2 only

c)

S1 and S3 only

d)

S1, S2 and S3

20.

Which circuit diagram represents the correct way to measure the current in a resistor?

a)
b)
c)
d)
21.

In the electric circuit diagram above, possible locations of an ammeter and a voltmeter are indicated by circles 1, 2, 3, and 4.

Where should an ammeter be located to correctly measure the total current, and where should a voltmeter be located to correctly measure the total voltage?

a)

ammeter at 1 and voltmeter at 2

b)

ammeter at 3 and voltmeter at 4

c)

ammeter at 2 and voltmeter at 3

d)

ammeter at 1 and voltmeter at 4

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