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WorksheetsElectrical Circuits
Total questions: 10
Worksheet time: 5mins
Name
Class
Date
1.
If two charges repel each other, the two charges must be...
a)
positive and positive
b)
positive and negative
c)
negative and negative
d)
either a or c
2.
What type of current comes from the outlets in your home?
a)
direct current
b)
alternating current
c)
electric discharge
d)
static electricity
3.
Cells are made of...
a)
a conducting wire and a grounded wire
b)
an electrolyte and a pair of electrodes
c)
a conductor and a insulator
d)
none of the above
4.
In order to produce a current from a cell, the electrodes of the cell must...
a)
have a potential difference
b)
be in a liquid
c)
be exposed to light
d)
be at two different temperatures
5.
Fine the resistance of a circuit that draws 1.5A when 3.0V are applied.
a)
1.5 Ohms
b)
3.0 Ohms
c)
4.5 Ohms
d)
none of the above
6.
A circuit in which all parts are connected in a single loop is called a(n)...
a)
open circuit
b)
open load
c)
series circuit
d)
parallel circuit
7.
Charges continually switch from flowing in one direction to flowing in the reverse direction in...
a)
alternating current
b)
static electricity
c)
all types of current
d)
direct current
8.
Which of the following might cause a circuit to fail?
a)
connecting a series circuit to a parallel circuit
b)
plugging too many devices into one outlet
c)
failing to press the TEST button on a circuit breaker box
d)
all of the above
9.
When voltage is increased and resistance is constant, current...
a)
increases
b)
decreases
c)
is constant
d)
cannot be determined
10.
All circuits include...
a)
an energy source, a load, and wires
b)
an energy source, a resistor, and a battery
c)
a battery, a light bulb, and a switch
d)
a battery, wires and a switch
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