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WorksheetsCurrent & voltage in circuits
Total questions: 24
Worksheet time: 14mins
Name
Class
Date
1.
Voltage is measured in __.
a)
volts.
b)
watts.
c)
coulombs.
2.
The movement of electrons from atom to atom in a line results in a flow of _____.
a)
amperage.
b)
electric current.
c)
electromagnetic connectors.
3.
As the resistance of a circuit increases, the current will
a)
increase
b)
decrease
c)
stay the same
4.
Current has units:
a)
kilowatt·hour
b)
ampere
c)
coulomb
d)
volt
5.
A 12 volt battery supplies voltage to two bulbs. How much voltage would each bulb get?
a)
6 volts
b)
12 volts
6.
A 20 volt battery supplies voltage to two bulbs. How much voltage would each bulb get?
a)
20 volts
b)
10 volts
7.
A 15 volt battery supplies voltage to 3 bulbs. How much voltage would each bulb get?
a)
15 volts
b)
5 volts
8.
In a series circuit, the voltage across the battery shares between each bulb
a)
True
b)
False
9.
In a series circuit, the current is the same everywhere, it does not change
a)
True
b)
False
10.
A 8 volt battery supplies voltage to 4 bulbs. How much voltage would each bulb get?
a)
8 volts
b)
2 volts
11.
In a parallel circuit which of the following is the same value throughout the circuit?
a)
Voltage
b)
Current
c)
Resistance
d)
Charge
12.
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.
13.
What is the voltage drop for each resistor?
a)
9 V: all resistors have the same voltage in a parallel circuit
b)
9V: there is only one resistor in this circuit
c)
Trick question! They all have different voltages!
d)
Trick question! They all have the same current!
14.
What 'flows' in a wire?
a)
Protons
b)
Neutrons
c)
Atoms
d)
Electrons
15.
How should you put in an Ammeter?
a)
In Parallel
b)
In Series
16.
This is the circuit symbol for ...
a)
an AC current source
b)
a DC current source
c)
an ammeter
d)
a voltmeter
17.
This is the circuit symbol for ...
a)
an AC current source
b)
a DC current source
c)
an ammeter
d)
a voltmeter
18.
This is the circuit symbol for ...
a)
an AC current source
b)
a DC current source
c)
a battery
d)
a single cell
19.
This is the symbol for
a)
Variable resistor
b)
Thermistor
c)
Resistor
d)
Fuse
20.
This is the symbol for a _____?
a)
Lamp
b)
Water wheel
c)
Loudspeaker
d)
Motor
21.
This is the symbol for a _____?
a)
Fuse
b)
Resistor
c)
Heater
d)
Strip light
22.
What is the unit of Current?
a)
Amps
b)
Watts
c)
Volts
d)
Joules
23.
What kind of circuit is this?
a)
series
b)
parallel
24.
This is the circuit symbol for ...
a)
an AC current source
b)
a DC current source
c)
a battery
d)
a single cell
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