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WorksheetsCircuits and Ohm's Law
Total questions: 20
Worksheet time: 21mins
Name
Class
Date
1.
What is a closed path for electrons to flow through?
a)
static electricity
b)
circuit
c)
amperes
2.
As the resistance in a circuit increases, the electric current __________.
a)
increases
b)
decreases
c)
stays the same
3.
Electricity is the flow of _________.
a)
protons
b)
neutrons
c)
electrons
4.
What type of circuit is pictured?
a)
series
b)
Parallel
5.
is the opposition to the flow of charges in a material.
a)
Resistance
b)
Voltage
c)
Time
d)
Current
6.
What would happen if in a circuit the voltage is increase?
a)
The time would increase
b)
The current would increase
c)
The current would decrease
d)
The current would stay the same
7.
What is the Voltage of a circuit that has a resistance of 5 Ω and a current of 2 A?
a)
25 V
b)
10 V
c)
2.5 V
d)
0.4 V
8.
If the battery produced 12.6 Volts and there was a 6 Ohm resistor, what would be the current?
a)
2.1 Amps
b)
2.4 Amps
c)
1.71 Amps
d)
15 Amps
9.
What is resistance measured in?
a)
Ω (Ohms)
b)
V (Volts)
c)
A (Amps)
d)
W (Watts)
10.
Voltage divided by Resistance
(V / R)
a)
Current
b)
Power
c)
Ohms
d)
Watts
11.
Current times Resistance equals
(I X R)
(I X R)
a)
Power
b)
Voltage
c)
Amperage
d)
Ohm
12.
If the Voltage is increased and the resistance stays the same, Current will
a)
Increase
b)
Decrease
c)
Stay the same
d)
X
13.
If the Voltage stays the same and Resistance is increased, Current will
a)
Increase
b)
Decrease
c)
Stay the same
d)
X
14.
What size resistor would produce a 3 Amp current flow with a 12 Volt battery
a)
1 Ohm
b)
3 Ohms
c)
4 Ohms
d)
12 Ohms
15.
How many Volts would it take to push 1 Amp through a resistance of 1 Ohm
a)
10 volts
b)
1 volt
c)
48 volts
d)
5 volts
16.
This circuit has a 24 volt battery and the resistor is 8 ohms. How many amps are running through the circuit?
a)
3 Amps
b)
192 Amps
c)
2 Amps
d)
4 Amps
17.
What is the Voltage of a circuit that has a resistance of 5 Ω and a current of 2 A?
a)
25 V
b)
10 V
c)
2.5 V
d)
0.4 V
18.
What is this symbol?
a)
resistor
b)
switch
c)
battery
d)
bulb
19.
This steel paperclip would allow electricity to flow through it because:
a)
it is a conductor
b)
it is an insulator
c)
it is friendly
d)
it breaks the circuit
20.
what is this symbol for?
a)
light bulb
b)
switch
c)
battery
d)
resistor
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