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WorksheetsInvestigating voltage & current
Total questions: 15
Worksheet time: 13mins
Name
Class
Date
1.
Voltage is measured in __.
a)
volts.
b)
watts.
c)
coulombs.
2.
As the resistance of a circuit increases, the current will
a)
increase
b)
decrease
c)
stay the same
d)
increase and then decrease
3.
Current has units:
a)
kilowatt·hour
b)
ampere
c)
coulomb
d)
volt
4.
How many Volts would it take to push 5 Amps through a resistance of 10 Ohms
a)
10 volts
b)
1 volt
c)
50 volts
d)
5 volts
5.
If the current through a circuit is 2 A and the resistance of a light bulb in the circuit is 10 Ohms, what is the voltage difference across the light bulb?
a)
5 V
b)
12 V
c)
0.2 V
d)
20 V
6.
A voltmeter should be placed ........... in a circuit
a)
in parallel
b)
in series
c)
in order
d)
upside down
7.
Resistance is a measure of....
a)
the energy per unit charge in a circuit
b)
how hard it is for electrons to move through the circuit
c)
how hard it is for electrons to move through the battery
d)
the number of charge carriers in a circuit
8.
What equation links voltage, current and resistance
a)
V = IR
b)
V = CR
c)
V = I/R
d)
V = R/I
e)
V = C/R
9.
Which of these is correct for a test circuit
a)
ammeter in series and voltmeter in parallel
b)
ammeter in series and voltmeter in series
c)
ammeter in parallel and voltmeter in parallel
d)
ammeter in parallel and voltmeter in series
10.
How should you put in an Ammeter?
a)
In Parallel
b)
In Series
11.
This is the circuit symbol for ...
a)
an AC current source
b)
a DC current source
c)
an ammeter
d)
a voltmeter
12.
This is the circuit symbol for ...
a)
an AC current source
b)
a DC current source
c)
an ammeter
d)
a voltmeter
13.
This is the symbol for a _____?
a)
Fuse
b)
Resistor
c)
Heater
d)
Strip light
14.
What variable is a Coulomb the unit for?
a)
Charge
b)
Force
c)
Distance
d)
Mass
15.
The difference in electrical potential energy between two places is called
a)
resistance
b)
friction
c)
induction
d)
voltage
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