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Science TRUE & FALSE

T2 CH2 Electricity · Tamil Nadu Board STD 7 (Tamil - English Medium). 15 questions.

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TRUE & FALSE

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15 questions · timed · auto-graded

Question 21 Mark
The representation of the electric current is A
Answer
False.

The representation of the electric current is I.

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Question 41 Mark
The fuse wire does not melts whenever there is overload in the wiring.
Answer
False.
The fuse wire melts whenever there is overload in the wiring.
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Question 51 Mark
Electron flow is in the same direction to conventional current flow.
Answer
False.

Electron flow is in the opposite direction to conventional current flow.

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Question 81 Mark
An insulator gives a less resistance to the flow of charge.
Answer
False.An insulator gives a more resistance to the flow of charge.
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Question 91 Mark
All batteries are made up of three components an anode, a cathode and some kind of electrolyte.
Answer
True
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Question 111 Mark
Electric cell converts electrical energy into chemical energy.
Answer
False. Electric cell converts chemical energy into electrical energy.
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Question 121 Mark
The source which produce the small amount of electricity for shorter period of time is called as electro chemical cell.
Answer
True
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Question 131 Mark
The flow of electric charge per unit time is called potential difference.
Answer
False. The flow of electric charge per unit time is called current.
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TRUE & FALSE - Science STD 7 Questions - Vidyadip