Free Printable Basic electrical Concepts

Worksheets

Basic electrical Concepts

Total questions: 24

Worksheet time: 30mins

Name

Class

Date

Proton has a (a)

Choose from the below words

Negative charge

Positive Charge

Neutral charge

All the above

The electron has a (a)

Choose from the below words

positive charge

negative charge

neutral charge

all of the above

The resistivity of the conductor depends on

area of the conductor.

length of the conductor.

type of material.

none of these.

What size resistor would produce a 3 Amp current flow with a 12 Volt battery

1 Ohm

3 Ohms

4 Ohms

12 Ohms

What is current measured in? (a)

Choose from the below words

Ω (Ohms)

V (Volts)

A (Amps)

W (Watts)

What is resistance measured in?

Ω (Ohms)

V (Volts)

A (Amps)

W (Watts)

What is Resistance?

The flow of electrons

Electric potential difference

A battery

The ability to reduce the flow of electrons

Electricity that flows in a closed path is called a

path

current

circuit

light

What is the Voltage of a circuit that has a resistance of 5 Ω and a current of 2 A?

25 V

10 V

2.5 V

0.4 V

10.

The mathematical relationship among Voltage, Current, and Resistance

Faraday's Law

Tesla's Law

Edison's Law

Ohm's Law

11.

Current times Resistance equals (I X R) (a)

Choose from the below words

Power

Voltage

Amperage

Ohm

12.

Voltage divided by Resistance

(V / R)

Current

Power

Ohms

Watts

13.

If the Voltage is increased and the resistance stays the same, Current will

Increase

Decrease

Stay the same

14.

If the Voltage stays the same and Resistance is increased, Current will (a)

Choose from the below words

Increase

Decrease

Stay the same

15.

How many Volts would we need to produce a current flow of 8 Amps through a 6 Ohm resistor

12 volts

24 volts

1.3333

48 volts

16.

This circuit has a 24 volt battery and the resistor is 8 ohms. How many amps are running through the circuit?

3 Amps

192 Amps

2 Amps

4 Amps

17.

To complete a circuit the switch must be

unattached

open

closed

It depends

18.

How many Volts would it take to push 1 Amp through a resistance of 1 Ohm

10 volts

1 volt

48 volts

5 volts

19.

What size resistor would produce a 3 Amp current flow with a 12 Volt battery

1 Ohm

3 Ohms

4 Ohms

12 Ohms

20.

What is the formula for ohms law?

1+2=3

R X E = I

E =I x R

E= MC squared

21.

An alarm clock draws 0.5 A of current when connected to a 120 volt circuit. Calculate its resistance.

60Ω

120Ω

180Ω

240Ω

22.

Speakers need a household voltage of 110 V to push a current of 5.5 A through them. What is the

resistance of the speakers?

10Ω

20Ω

30Ω

40Ω

23.

A circuit contains a 1.5 volt battery and a bulb with a resistance of 3 ohms. Calculate the current. (a)

Choose from the below words

0.5A

1.5A

24.

What relationship is defined by Watts law?

Watt’s law defines the relationship between power, amperage, and voltage drop in an electrical circuit. Watts Law also states that the power of an electrical circuit is the product of its voltage and current.

Watt’s law defines the relationship between voltage, current, and resistance in an electrical circuit.

Watts law defines the relationship between the rate at which resistance in a circuit converts electric energy into heat energy.

Reset

Basic electrical Concepts

Total questions: 24

Worksheet time: 30mins

Similar Resources on Wayground