Electric Current and its Effects - 1
Authored by Aishwaria Murthy
Science, Chemistry, Physics
7th Grade
Used 169+ times
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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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