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QUIZIZZ: Electric circuits

Total questions: 40

Worksheet time: 29mins

Name
Class
Date
1.

In a home electric network, what is the function of the electricity meter?

a)

Bring the electricity into the house.

b)

Distribute the voltage into the individual circuits.

c)

Measure the electricity consumption for billing.

d)

Connect the circuits of the house to the ground.

e)

Turn the circuits off in case of an overload.

2.

Which elements of a home electric network are used to prevent electric hazards?

a)

Breaker panel and power lines.

b)

Breaker panel and grounding system.

c)

Grounding system and outlet box.

d)

Grounding system and electricity meter

e)

Breaker panel and electricity meter.

3.

Which option refers to the concept of electric efficiency?

a)

Changing electricity into another form of energy, without too much energy dissipation.

b)

Increasing the current intensity without producing an overload.

c)

Decreasing the resistance in a circuit to improve the current intensity.

d)

Increasing the energy dissipation of electric devices, to produce more current intensity.

e)

Adding power sources to a circuit to increase the voltage.

4.
Which word means how hard it is for electrons to flow?
a)
Current
b)
Voltage
c)
Resistance
d)
Power
5.
This is an example of a _______ circuit
a)
open
b)
series
c)
parallel
d)
square
6.
If the Voltage is increased and the resistance stays the same, Current will
a)
Increase
b)
Decrease
c)
Stay the same
d)
Not enough info
7.
If the Voltage stays the same and Resistance is increased, Current will 
a)
Increase
b)
Decrease
c)
Stay the same
d)
Not enough info
8.
If the Voltage stays the same and Resistance is increased, Current will 
a)
Increase
b)
Decrease
c)
Stay the same
d)
Not enough info
9.
In a series circuit, which of the following is the same throughout the circuit?
a)
Resistance
b)
Voltage
c)
Current
d)
Power
10.
What is current measured in?
a)
Ω (Ohms)
b)
V (Volts)
c)
A (Amps)
d)
W (Watts)
11.
In a series circuit, which of the following will vary based on the resistor?
a)
Power
b)
Voltage
c)
Current
d)
None of the above
12.
What is resistance measured in?
a)
Ω (Ohms)
b)
V (Volts)
c)
A (Amps)
d)
W (Watts)
13.
What is voltage?
a)

The flow of protons

b)
The number of charged particles that pass each second
c)
The difference in potential energy of charged particles
d)
The rate at which energy is being transformed
14.
Battery cells are connected in series to _______
a)
Increase voltage output
b)
Decrease voltage output
c)
Increase current capacity
d)
Decrease current capacity
15.
Current is...
a)
moving protons
b)
moving electrons
c)
measured in volts
d)
measured in ohms
16.

Why is a battery important in an electrical circuit?

a)

As a source of energy.

b)

As a path for electricity to flow through.

c)

As a connector to connect all parts of a circuit.

17.

The diagram shows a complete circuit but the bulb did not light up. Why?

a)

The plastic spoon is an insulator of electricity and prevented electric current from flowing through the circuit.

b)

The plastic spoon is not connected properly and prevented electric current from flowing through the circuit.

c)

The plastic spoon is a conductor of electricity and prevented electric current from flowing through the circuit.

18.

Why electrical wiring usually are covered with a layer of plastic?

a)

To make it look pretty

b)

To help electricity flow along the wire

c)

To make it safe

d)

To add more energy

19.
The picture shows an electrical circuit. This circuit is a series circuit because: 
a)
It has 3 light bulbs.
b)
The same current flows through all three light bulbs.
c)
It uses a single battery.
d)
The electrical current is divided between the three light bulbs.
20.
This is the symbol for a _____?
a)
switch
b)
light 
c)
battery
d)
wires
21.
This type of circuit only has one path for current to flow. 
a)
series
b)
parallel
c)
combination
d)
split
22.
this circuit is .....?
a)
open
b)
parallel
c)
closed
d)
The cutest little circuit evah!
23.
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. 
24.
In a parallel circuit if one of the light bulbs burns out the rest _________.
a)
stop the flow of electricity
b)
 can still light up
c)
 will go out
d)
of the light bulbs burn out also
25.
Does this diagram represent a series or parallel circuit?
a)
series circuit
b)
parallel circuit
26.
What kind of circuit is this?
a)
Series
b)
Consecutive
c)
Parallel
d)
Training
27.
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
28.
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
29.
The mathematical relationship among Voltage, Current, and Resistance
a)
Faraday's Law
b)
Tesla's Law
c)
Edison's Law
d)
Ohm's Law
30.
Current times Resistance equals
 (I X R)
a)
Power
b)
Voltage
c)
Amperage
d)
Ohm
31.

Voltage divided by Resistance

(V / R)

a)

Current

b)

Power

c)

Ohms

d)

Watts

32.

Voltage divided by Current

(V / I)

a)

Current

b)

Power

c)

Resistance

d)

Watts

33.

What is the unit of measure for current?

a)

ampere

b)

current

c)

voltage

d)

ohms

34.

If there is a current of 2A and a resistance of 24 ohms, what voltage will there be?

a)

26 V

b)

48 V

c)

12 V

d)

22 V

35.
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
36.
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
37.

If the voltage is increased and the resistance stays the same, what will current do?

a)
Increase
b)
Decrease
c)
Stay the same
d)
X
38.
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
39.
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
40.
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

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