Electricity Book Back Questions & Answers
Unit 2 > Science > Class 6 > Samacheer Kalvi - English Medium
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1. The device which converts chemical energy into electrical energy is
a. fan
b. solar cell
c. cell
d. television
Correct answer: c. cell
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2. Electricity is produced in
a. transformer
b. power station
c. electric wire
d. television
Correct answer: b. power station
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3. ______ is a good conductor
a. silver
b. wood
c. rubber
d. plastic
Correct answer: a. silver
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1. ____________ are the materials which allow electric current to pass through them
Correct answer: Conductors
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2. Flow of electricity through a closed circuit is ____________.
Correct answer: current
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3. ____________ is the device used to close or open an electric circuit.
Correct answer: Switch (or) Key
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4. The long perpendicular line in the electrical symbol represents its ____________ terminal
Correct answer: positive
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5. The combination of two or more cells is called a ____________.
Correct answer: battery
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1. In a parallel circuit, the electricity has more than one path.
Correct answer: True
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2. To make a battery of two cells, the negative terminal of one cell is connected to the negative terminal of the other cell.
Correct answer: False
Correct Statement: To make a battery of two cells, the negative terminal of one cell is connected to the positive terminal of the other cell.
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3. The switch is used to close or open an electric circuit
Correct answer: True
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4. Pure water is a good conductor of electricity
Correct answer: False
Correct Statement: Pure water is a bad conductor of electricity
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5. Secondary cell can be used only once.
Correct answer: False
Correct Statement: Secondary cells can be recharged and used again and again.
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1. A CELL, A DEVICE, ELECTRICAL ENERGY, IS CALLED, INTO, CHEMICAL ENERGY,THAT CONVERTS
Correct answer: A DEVICE THAT CONVERTS CHEMICAL ENERGY INTO ELECTRICAL ENERGY IS CALLED A CELL