What is a solenoid?

Important Questions on Electric Current and Its Effects

HARD

7th CBSE

IMPORTANT

Interactive Science 7>Chapter 14 - Electric Current and Its Effects>SUMMATIVE ASSESSMENT>Q 1

With the help a simple experiment, explain that electric current produces electromagnets.

HARD

7th CBSE

IMPORTANT

Interactive Science 7>Chapter 14 - Electric Current and Its Effects>SUMMATIVE ASSESSMENT>Q 2

What is an electromagnet? List some uses of electromagnets.

HARD

7th CBSE

IMPORTANT

Interactive Science 7>Chapter 14 - Electric Current and Its Effects>SUMMATIVE ASSESSMENT>Q 3

Explain the working of an electric bell using a diagram.

MEDIUM

7th CBSE

IMPORTANT

Interactive Science 7>Chapter 14 - Electric Current and Its Effects>FORMATIVE ASSESSMENT>Q 1

What is it called when electricity is in motion?

MEDIUM

7th CBSE

IMPORTANT

Interactive Science 7>Chapter 14 - Electric Current and Its Effects>FORMATIVE ASSESSMENT>Q 2

A material used to make elements in electrical appliances.

EASY

7th CBSE

IMPORTANT

Interactive Science 7>Chapter 14 - Electric Current and Its Effects>FORMATIVE ASSESSMENT>Q 3

Name an alloy of nickel and chromium.

MEDIUM

7th CBSE

IMPORTANT

Interactive Science 7>Chapter 14 - Electric Current and Its Effects>FORMATIVE ASSESSMENT>Q 4

A safety device that prevents chances of fire.

MEDIUM

7th CBSE

IMPORTANT

Interactive Science 7>Chapter 14 - Electric Current and Its Effects>FORMATIVE ASSESSMENT>Q 5

Name a cylindrical coil of current-carrying wire.