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Electric Current and its Effects - 1

Authored by Aishwaria Murthy

Science, Chemistry, Physics

7th Grade

Used 167+ times

Electric Current and its Effects - 1
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23 questions

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1.

FILL IN THE BLANK QUESTION

1 min • 1 pt

Longer line in the symbol for a cell represents its _______ terminal.

2.

FILL IN THE BLANK QUESTION

1 min • 1 pt

The combination of two or more cells is called a .

3.

FILL IN THE BLANK QUESTION

1 min • 1 pt

When current is switched ‘on’ in a room heater, it

4.

FILL IN THE BLANK QUESTION

1 min • 1 pt

The safety device based on the heating effect of electric current is called a

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

To make a battery of two cells, the negative terminal of one cell is connected to the negative terminal of the other cell.

true

false

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

When the electric current through the fuse exceeds a certain limit, the fuse wire melts and breaks.

true

false

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

An electromagnet does not attract a piece of iron.

true

false

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