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Types of electrical circuits

Total questions: 47

Worksheet time: 55mins

Name
Class
Date
1.

La gráfica representa un circuito?

a)

en serie y en paraleo, es decir, mixto

b)

en serie

c)

en paralelo

d)

ninguno de los anteriores

2.

¿Qué circuito representa la imagen?

a)

mixto

b)

serie

c)

paralelo

d)

Ninguno de los anteriores

3.

What kind of circuit is this?

(¿Qué tipo de circuito es este?)

a)

series

(circuito en serie)

b)

parallel

(circuito paralelo)

4.

What is a circuit with several paths for electricity to flow?

(¿Qué es un circuito con varios caminos para que fluya la electricidad?)

a)

conductor

(conductor)

b)

series circuit

(circuito en serie)

c)

parallel circuit

(circuito paralelo)

d)

open circuit

(circuito abierto)

5.
Este es un circuito
a)
Paralelo abierto
b)
En serie cerrado
c)
Paralelo cerrado
d)
En serie abierto
6.

Which circuit below would be described as "closed"?

a)
b)
c)
7.

Which picture below shows a parallel circuit?

a)
b)
c)
d)
8.

In which circuit below, will all lights go out when one light is broken?

a)
b)
c)
9.

What is a material that resists, or does NOT allow, energy to flow through?

a)

circuit

b)

insulator

c)

series

d)

conductor

10.

What is a circuit with several paths for electricity to flow?

a)

conductor

b)

series circuit

c)

parallel circuit

d)

open circuit

11.

A PATH along which electricity can flow is a ___________________?

a)

light bulb

b)

switch

c)

insulator

d)

circuit

12.

What is a circuit that only has ONE path for electricity to flow?

a)

series circuit

b)

closed circuit

c)

parallel circuit

d)

light bulb

13.
In a parallel circuit, if one connection is broken, all of the connections stop working.
a)
True
b)
False
14.

In a parallel circuit, the effective resistance can be calculated with the following formula:

a)

R = R1 + R2R\ =\ R_{1\ }+\ R_2

b)

R =R1 = R2R\ =R_{1\ }=\ R_2

c)

1R = 1R1 + 1R2\frac{1}{R}\ =\ \frac{1}{R_1}\ +\ \frac{1}{R_2}

d)

R = R1 × R2R\ =\ R_1\ \times\ R_2

15.

Which of the following is the correct diagram for the circuit shown in the picture?

a)
b)
c)
d)
16.

In which configuration is the current supplied by the battery the greatest?

a)

A

b)

B

c)

C

d)

A, B, and C are the same.

17.

How to you calculate the total resistance in a series circuit?

a)

R1 + R2+ R3

b)

R1 - R2 - R3

c)

1/R1 + 1/R2 + 1/R3

d)

R1 = R2 = R3

18.
Which of these choices best describes a series circuit? 
a)
It has two light bulbs. 
b)
The same current flows through both light bulbs. 
c)
It uses a single battery.
d)
The current is divided between the light bulbs. 
19.
In a series circuit the more light bulbs you add the brighter the bulbs become.
a)
false
b)
true
20.
Which of the following is not true of a series circuit?
a)
One light bulb can be broken and other lights will still work.
b)
All loads are a single loop
c)
Adding more loads will lessen the current in the loop
21.
The type of circuit used in your home is a _______ circuit.
a)
series
b)
parallel
22.
This image shows a:
a)
overloaded circuit
b)
parallel circuit
c)
short circuit
23.
In a series circuit the current is the same at all points of the circuit.
a)
true
b)
false
24.
The electrician in this picture is wearing rubber gloves for protection.  The purpose of the rubber gloves is to:
a)
keep the electrician dry
b)
create an electrical circuit
c)
produce electricity
d)
insulate the electrician from electrical shock
25.
Bits of paper are attracted to the surface of this balloon.  What attracts the paper pieces to the balloon?
a)
friction
b)
static electricity
c)
magnetism
d)
potential energy
26.

What will happen if one of these light bulbs goes out (turns off)?

a)

The other light bulbs will get brighter

b)

The other light bulbs will go out

c)

The other light bulbs will get dimmer

d)

The other light bulbs will stay lit

27.

What will happen if one of these light bulbs goes out (turns off)?

a)

The other light bulbs will get brighter

b)

The other light bulbs will go out

c)

The other light bulbs will get dimmer

d)

The other light bulbs will stay lit

28.
Would would best complete this circuit?
a)
A wire
b)
A switch
c)
A battery
d)
A light bulb
29.
Look at the picture.  Why won't the light bulb light up?
a)
The wires from the light bulb are not connected to the battery
b)
The switch is not closed to form a complete circuit 
c)
The wires from the light bulb are not connected to the switch 
d)
The wires from the battery are not connected to the switch 
30.
What will happen if one light bulb is removed from this circuit?
a)
The other bulbs will go out.
b)
The other bulbs will stay on
c)
The other bulbs will get dimmer.
d)
The battery will become stronger.
31.
This circuit won't work. What essential part is missing from this circuit?
a)
resistance
b)
source of electric current
c)
conductor
d)
ammeter
32.

In a Series Circuit the Current...

a)

is the same at every point

b)

is shared between the energy users

33.

In a Parallel circuit the current is

a)

the same at every point

b)

split between the branches

34.

This diagram represents a closed circuit with three identical lightbulbs.

If bulb Y stops working in the circuit, what will happen to bulbs X and Z?

a)

Bulb X and bulb Z will not glow.

b)

Bulb X will glow, but bulb Z will not glow.

c)

Bulb X and bulb Z will glow.

d)

Bulb X will not glow, but bulb Z will glow.

35.

How would decreasing the diameter of the wires in a circuit influence the resistance and flow of electrons in the circuit?

a)

It would decrease the resistance, causing fewer electrons to flow through the circuit.

b)

It would increase the resistance, causing fewer electrons to flow through the circuit.

c)

It would decrease the resistance by allowing more electrons to flow through the circuit.

d)

It would increase the resistance by allowing more electrons to flow through the circuit.

36.
Which of the two circuits would have the brightest bulbs? 
a)
A
b)
B
37.
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
38.

Which statement is true?

a)

The light bulb will light up because the circuit is complete.

b)

The light bulb will light up because the circuit is broken.

c)

The light bulb will not light up because the circuit is complete.

d)

The light bulb will not light up because the circuit is open.

39.

A short circuit occurs when

a)

electrons have an easier path to take from one end of the battery to the other without any resistance

b)

the wires in a circuit are cut into smaller pieces

c)

exposed wires touch, creating a faster route for electrons to take

d)

a switch is turned off

40.

The circuit on the left is not complete (the light is off) because:

a)

the switch is closed

b)

the switch is open

c)

the battery is missing

d)

the battery is in backwards

41.

How many light bulbs would be ON with this complete circuit?

a)

1

b)

3

c)

2

d)

4

42.

How many light bulbs would be ON if the wire of this circuit was cut where the scissors are?

a)

1

b)

3

c)

2

d)

0

43.

How many light bulbs would be ON if the wire of this circuit was cut where the scissors are?

a)

1

b)

3

c)

2

d)

0

44.

Devices in a series circuit receive

a)

Equal current but different voltage

b)

Equal voltage but different current

c)

Equal voltage and equal current

d)

different voltage and different current

45.
Thicker wires have _______ resistance than thinner wires.
a)
more
b)
less
c)
the same
46.

Two devices are connected between two points say A and B in parallel. The physical quantity that will remain the same between the two points is

a)

Current

b)

Voltage

c)

Resistance

d)

Resistivity

47.

The electric current in a closed circuit always flows from the ____ terminal of the electric cell to the _____ terminal.

a)

NEGATIVE TO POSITIVE

b)

NEGATIVE TO NEGATIVE

c)

POSITIVE TO POSITIVE

d)

POSITIVE TO NEGATIVE

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