G8 Ch. 7
Science
7th Grade
Used 1+ times
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8 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The main function of various electric cells is
To help in the flow of current
To maintain a constant potential difference between its two terminals
To Conduct electricity to various appliances
To help the charges to flow
2.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Lithium ion cells can be
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following best describes the role of an electric cell in a circuit?
It increases the resistance of the circuit
It prevents the flow of current
It supplies energy to move charges through the circuit
It stores the electric current
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does an electric cell provide to a circuit?
Potential difference
Magnetic field
Heat energy
Mechanical energy
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is an electric cell necessary in an electric circuit?
To increase the resistance
To maintain a continuous flow of electric charges
To decrease the voltage
To stop the current
6.
LABELLING QUESTION
1 min • 1 pt
Identify the components of the lead acid cell.
7.
OPEN ENDED QUESTION
3 mins • 1 pt
Define electromagnet
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