Free Printable physics electrical

1.

What charge does an electron have?

a)

negative (-)

b)

positive (+)

c)

neutral or no charge (0)

2.

the positively charged particle in an atom, never leaves the nucleus, determines the element

a)

proton

b)

neutron

c)

electron

3.

What is the voltage in 6 ohm of resistor?

a)

$1,5\ V$

b)

$3\ V$

c)

$6\ V$

d)

$12\ V$

4.

What is the current flow in 6 ohm of resistor

a)

$0,5\ A$

b)

$2\ A$

c)

$6\ A$

d)

$12\ A$

5.

What is the current flow in the circuit

a)

$0,5\ A$

b)

$2\ A$

c)

$6\ A$

d)

$12\ A$

6.

What is total resistance of the circuit

a)

$0,5\ \Omega$

b)

$3\ \Omega$

c)

$6\ \Omega$

d)

$12\ \Omega$

7.

What is the current flow in the circuit?

a)

$0.5\ A$

b)

$3\ A$

c)

$6\ A$

d)

$1,5\ A$

8.

What is total resistance of the circuit

a)

$40\ \Omega$

b)

$20\ \Omega$

c)

$10\ \Omega$

d)

$1\ \Omega$

9.

How to calculate the total Voltage

a)

$V\ total=\ V1+V2+V3$

b)

$V\ total=\ V1=V2=V3$

c)

$V\ total\ =\ 0$

d)

$\frac{1}{V\ total}\ =\ \frac{1}{V1}+\frac{1}{V2}+\frac{1}{V3}$

10.

How to calculate the total Voltage

a)

$V\ total=\ V1+V2+V3$

b)

$V\ total=\ V1=V2=V3$

c)

$V\ total\ =\ 0$

d)

$\frac{1}{V\ total}\ =\ \frac{1}{V1}+\frac{1}{V2}+\frac{1}{V3}$

11.

How to calculate the total current

a)

$I\ total=\ I1+I2+I3$

b)

$I\ total=\ I1=I2=I3$

c)

$I\ total\ =\ 0$

d)

$\frac{1}{I\ total}\ =\ \frac{1}{I1}+\frac{1}{I2}+\frac{1}{I3}$

12.

How to calculate the total current

a)

$I\ total=\ I1+I2+I3$

b)

$I\ total=\ I1=I2=I3$

c)

$I\ total\ =\ 0$

d)

$\frac{1}{I\ total}\ =\ \frac{1}{I1}+\frac{1}{I2}+\frac{1}{I3}$

13.

How to calculate the total resistance

a)

$\frac{1}{R\ total}=\ R1+R2+R3$

b)

$R\ total=\ R1+R2+R3$

c)

$\frac{1}{R\ total}=\ \frac{1}{R1}+\frac{1}{R2}+\frac{1}{R3}$

d)

$R\ total\ =\ \frac{1}{R1}+\frac{1}{R2}+\frac{1}{R3}$

14.

How to calculate the total resistance

a)

$\frac{1}{R\ total}=\ R1+R2+R3$

b)

$R\ total=\ R1+R2+R3$

c)

$\frac{1}{R\ total}=\ \frac{1}{R1}+\frac{1}{R2}+\frac{1}{R3}$

d)

$R\ total\ =\ \frac{1}{R1}+\frac{1}{R2}+\frac{1}{R3}$

15.

What is the name of this component

a)

Capasitor

b)

Resistor

c)

Inductor

d)

Transistor

16.

What is the name of this component

a)

Capasitor

b)

Resistor

c)

Inductor

d)

Transistor

17.

A battery with a voltage, V = 20 V connected to the current fuse, I = 4 A. If installed with a lamp, what is the maximum resistance of the lamp?

a)

2 Ω

b)

5 Ω

c)

10 Ω

d)

0,2 Ω

18.

When voltage is increased and resistance is constant, current...

a)

increases

b)

decreases

c)

is constant

d)

cannot be determined

19.

A ______ opens and closes an electric circuit.

a)

conductor

b)

switch

c)

source

d)

insulator

20.

What type of circuit is shown?

a)

Parallel

b)

Series

21.

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

22.

What type of circuit is shown in the picture?

a)

Series Circuit

b)

Broken Circuit

c)

Parallel Circuit

d)

Open Circuit

23.

Circuit "A" is broken, because:

a)

the switch is open

b)

the switch is closed

c)

the switch is black

d)

the switch is not there

24.

To complete the circuit, a wire should be placed from —

a)

Point D to Point C

b)

Point B to Point C

c)

Point A to Point D

25.

The ________ of a material is a measurement of how well a material opposes the flow of electric current.

a)

Inductance

b)

Voltage

c)

Resistance

d)

Current

26.

What metal is the most commonly used conductor in electronic wiring and electronic circuits?

a)

Silver

b)

Zinc

c)

Platinum

d)

Copper

27.

Why are electrical insulators important?

a)

They are used to protect us from electricity

b)

They provide power for electric circuits

c)

They help the flow of electricity

d)

They help conduct heat

28.

What type of materials are resistant to the flow of electricity?

a)

Conductors

b)

Currents

c)

Insulators

d)

Voltages

29.

What type of materials allow electricity to flow freely?

a)

Conductors

b)

Currents

c)

Insulators

d)

Inductors

30.

Where do batteries get the energy to produce electricity?

a)

Sunlight

b)

Chemical reactions

c)

Hydropower

d)

Natural gas

31.

What happens when two items with positive charges come close to each other?

a)

They attract each other

b)

They will join together

c)

They will cause an explosion

d)

They repel each other

physics electrical

Total questions: 31

Worksheet time: 16mins

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