MEDIUM
7th CBSE
IMPORTANT
Earn 100

Explain with a diagram how a piece of iron can be converted into a temporary magnet.

Important Questions on Electric Current and Its Effects

MEDIUM
7th CBSE
IMPORTANT
EUREKA PLUS Revised Bringing Science to Life>Chapter 14 - Electric Current and Its Effects>HIGHER ORDER THINKING SKILLS>Q 1
When a bulb is switched on, it becomes extremely hot.
MEDIUM
7th CBSE
IMPORTANT
EUREKA PLUS Revised Bringing Science to Life>Chapter 14 - Electric Current and Its Effects>HIGHER ORDER THINKING SKILLS>Q 2
A magnetic needle of a compass placed close to an electric circuit deflects when the current is switched on.
EASY
7th CBSE
IMPORTANT
EUREKA PLUS Revised Bringing Science to Life>Chapter 14 - Electric Current and Its Effects>HIGHER ORDER THINKING SKILLS>Q 3
A television that was temporarily connected to an electric circuit without a fuse got damaged.
MEDIUM
7th CBSE
IMPORTANT
EUREKA PLUS Revised Bringing Science to Life>Chapter 14 - Electric Current and Its Effects>HIGHER ORDER THINKING SKILLS>Q 4
The fuse wire reduces the danger of fire in a building.
EASY
7th CBSE
IMPORTANT
EUREKA PLUS Revised Bringing Science to Life>Chapter 14 - Electric Current and Its Effects>HIGHER ORDER THINKING SKILLS>Q 1

Is this a simple circuit?

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EASY
7th CBSE
IMPORTANT
EUREKA PLUS Revised Bringing Science to Life>Chapter 14 - Electric Current and Its Effects>HIGHER ORDER THINKING SKILLS>Q 2

Are the LEDs connected in series?

Question Image

MEDIUM
7th CBSE
IMPORTANT
EUREKA PLUS Revised Bringing Science to Life>Chapter 14 - Electric Current and Its Effects>HIGHER ORDER THINKING SKILLS>Q 3

Give reason:

A television that was temporarily connected to an electric circuit without a fuse got damaged.

HARD
7th CBSE
IMPORTANT
EUREKA PLUS Revised Bringing Science to Life>Chapter 14 - Electric Current and Its Effects>HIGHER ORDER THINKING SKILLS>Q 4

Give reason:

The fuse wire reduces the danger of fire in a building.