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WorksheetsElectric Circuits
Total questions: 22
Worksheet time: 32mins
Name
Class
Date
1.
If one of the bulbs is removed all the bulbs will go out. This is a ____________ circuit.
a)
series
b)
parallel
c)
optional
d)
rectangular
2.
Copper is used in wiring because it is an excellent______________ of electricity.
a)
circuit breaker
b)
conductor
c)
insulator
d)
fuse
3.
What is the flow of electric charges called?
a)
voltage
b)
current
c)
resistance
d)
electricity
4.
What charge does a neutron have?
a)
Positive
b)
Negative
c)
No charge
d)
Conductive
5.
For this circuit select the correct statements
a)
i1 = 2 A
b)
i3 = 8 A
c)
i2 = 6 A
d)
i2 = i1 + i3
6.
a)
V1 = 17 V
b)
V3 = 15 V
c)
V3 = 4.5 V
d)
V1 = 3.0 V
7.
The defining word equation for the Volt
a)
energy per unit charge
b)
rate of flow of charge
c)
work per unit time
d)
product of electrical resistance and current
8.
Ohm's law states that:
a)
V=IR
b)
V=I/R
c)
V=R/I
d)
V=I+R
9.
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.
10.
Resistance is measured in ___.
a)
watts.
b)
amps.
c)
ohms.
11.
Current is measured in....
a)
Amps
b)
Volts
c)
Ohms
d)
Coulombs
12.
What voltage is needed to cause a 2A current flow through a 10Ω resistor?
a)
5V
b)
0.2V
c)
20V
d)
200V
13.
What resistance is needed to cause a 50A current flow because of a 500V battery?
a)
10Ώ
b)
5Ώ
c)
2500Ώ
d)
550Ώ
14.
What is the symbol and unit for Charge
a)
C, Coulomb
b)
I, Ampere
c)
Q, Coulomb
d)
W, Ampere-Hour
15.
What type of circuit is this ?
a)
Series
b)
Parallel
16.
What is 10.5kV in volts ?
a)
1050V
b)
105V
c)
10500V
d)
0.0105V
17.
Name the symbol
a)
Diode
b)
LDR
c)
Thermistor
d)
LED
18.
Name the symbol
a)
Battery
b)
Cell
c)
Duracell
d)
Power source
19.
What is the charge when a current of 10A flows in a resistor for 2 minutes.
a)
20J
b)
5A
c)
1200C
d)
20C
20.
If A1 has a current of 2A flowing then A3 will be
a)
4A
b)
0.5A
c)
2A
d)
6A
21.
What is the missing current ?
a)
0.33 A
b)
1A
c)
2A
d)
3A
22.
Which of these statements are true?
a)
Electrons flow at the same speed at all points in a circuit
b)
Electrons flow at the same speed at all points in a parallel circuit
c)
Electrons flow at the same speed in all circuits
d)
Electrons flow at the same speed at all points in a series circuit
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