Electricity and Circuits Worksheet

Electricity and Circuits Worksheet

7th Grade

100 Qs

quiz-placeholder

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Electricity and Circuits Worksheet

Electricity and Circuits Worksheet

Assessment

Quiz

Physics

7th Grade

Hard

Created by

Shuryati Mohd Shariff M

FREE Resource

100 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the SI unit for electric current?

Volt

Ohm

Ampere

Watt

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which formula correctly describes the relationship between current (I), potential difference (V), and resistance (R)?

V = IR

V = I + R

V = I/R

V = R/I

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is NOT an effect of an electric current?

Chemical effect

Heating effect

Magnetic effect

Gravitational effect

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why is it important to state the SI unit when describing power in an electrical system?

It helps to compare different systems easily.

It makes the answer longer.

It is required only in some countries.

It is not important at all.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is a precautionary measure to ensure the safe use of electricity in the home?

Overloading sockets

Using wet hands to touch switches

Keeping electrical appliances away from water

Ignoring damaged wires

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How can changes made to an electrical system cause hazards?

By making the system more efficient

By increasing the risk of electric shock or fire

By reducing the current

By lowering the voltage

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of drawing and interpreting circuit diagrams?

To make the circuit look more complicated

To help set up and understand electrical circuits

To decorate the classroom

To avoid using real components

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