EASY
7th CBSE
IMPORTANT
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When an electric current flows through a copper wire AB as shown in the figure given below, the wire

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Important Questions on Electric Current and Its Effects

EASY
7th CBSE
IMPORTANT
NCERT Exemplar Science - Class 7>Chapter 14 - Electric Current and Its Effects>MULTIPLE CHOICE QUESTIONS>Q 2
Choose the statement which is not correct in the case of an electric fuse.
EASY
7th CBSE
IMPORTANT
NCERT Exemplar Science - Class 7>Chapter 14 - Electric Current and Its Effects>MULTIPLE CHOICE QUESTIONS>Q 4

When a switch is in OFF position,

(i) circuit starting from the positive terminal of the cell stops at the switch.

(ii) circuit is open.

(iii) no current flows through it.

(iv) current flows after some time.

Choose the correct answer from the following-

EASY
7th CBSE
IMPORTANT
NCERT Exemplar Science - Class 7>Chapter 14 - Electric Current and Its Effects>MULTIPLE CHOICE QUESTIONS>Q 5
Which of the following precautions need not be taken while using electric gadgets/appliances/circuit?
EASY
7th CBSE
IMPORTANT
NCERT Exemplar Science - Class 7>Chapter 14 - Electric Current and Its Effects>VERY SHORT ANSWER QUESTIONS>Q 6
Which property of a conducting wire is utilised in making electric fuse?
EASY
7th CBSE
IMPORTANT
NCERT Exemplar Science - Class 7>Chapter 14 - Electric Current and Its Effects>VERY SHORT ANSWER QUESTIONS>Q 7
Name the device used these days in place of electric fuses in electrical circuits.
EASY
7th CBSE
IMPORTANT
NCERT Exemplar Science - Class 7>Chapter 14 - Electric Current and Its Effects>VERY SHORT ANSWER QUESTIONS>Q 8

Our body is a _____ of electricity. (insulator/ conductor)

 

EASY
7th CBSE
IMPORTANT
NCERT Exemplar Science - Class 7>Chapter 14 - Electric Current and Its Effects>VERY SHORT ANSWER QUESTIONS>Q 8

A combination of two or more cells is called a _____.

EASY
7th CBSE
IMPORTANT
NCERT Exemplar Science - Class 7>Chapter 14 - Electric Current and Its Effects>VERY SHORT ANSWER QUESTIONS>Q 9
Unscramble the following word which represents a source of electricity:

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