Electric current. Science State Board, Class 9: lessons, tests, tasks.

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எங்கள் ஆசிரியர்களுடன் 1-ஆன்-1 ஆலோசனை நேரத்தைப் பெறுங்கள். டாப்பர் ஆவதற்கு நாங்கள் பயிற்சி அளிப்போம்

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1.	Electric circuit
2.	Effects of electric current
3.	Chemical effect of electric current
4.	Types of current
5.	Alternating current
6.	Dangers of electricity

1.	Electrical appliances Difficulty: easy	2
2.	Simple circuit Difficulty: easy	2
3.	Symbols of electrical components Difficulty: easy	2
4.	Magnetic effect Difficulty: easy	2
5.	Usage of electricity Difficulty: medium	4
6.	Overload Difficulty: medium	4
7.	Components of electric circuit Difficulty: medium	4
8.	Circuit connections Difficulty: medium	4
9.	Direct current Difficulty: medium	4
10.	Frequency Difficulty: medium	3
11.	Usage of appliances Difficulty: medium	4
12.	Electrolyte Difficulty: hard	6
13.	Heating effect of current Difficulty: hard	6
14.	Flow of charges Difficulty: hard	6

1.

Training test 1

Difficulty: easy

8

1.

Methodical recommendation

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