Which direction the current flows in a closed circuit?

Important Questions on Electric Current and Its Effects

EASY

7th CBSE

IMPORTANT

Science 7>Chapter 14 - Electric Current and Its Effects>Oral Questions>Q 1

What is the conversion of electrical energy in some other form of energy called?

EASY

7th CBSE

IMPORTANT

Science 7>Chapter 14 - Electric Current and Its Effects>Oral Questions>Q 2

Name two appliances made on the basis of the heating effect of current.

EASY

7th CBSE

IMPORTANT

Science 7>Chapter 14 - Electric Current and Its Effects>Oral Questions>Q 3

The fuse wire should be conducting. Which other property should it have?

MEDIUM

7th CBSE

IMPORTANT

Science 7>Chapter 14 - Electric Current and Its Effects>Oral Questions>Q 4

Of what material is the filament of a room heater made.

EASY

7th CBSE

IMPORTANT

Science 7>Chapter 14 - Electric Current and Its Effects>Oral Questions>Q 5

Of what material is the filament of the electric bulb made?

MEDIUM

7th CBSE

IMPORTANT

Science 7>Chapter 14 - Electric Current and Its Effects>Oral Questions>Q 1

Which energy transformation occurs during magnetic effect of current?

EASY

7th CBSE

IMPORTANT

Science 7>Chapter 14 - Electric Current and Its Effects>Oral Questions>Q 2

Which metal is used for making the core of an electromagnet?

MEDIUM

7th CBSE

IMPORTANT

Science 7>Chapter 14 - Electric Current and Its Effects>Oral Questions>Q 3

What happens when a wire carrying electric current (DC) is placed near a magnetic needle?