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Electric current, potential and sources of electric current

1.	Introduction
2.	Electric current and its unit
3.	Conventional current and electron flow
4.	Potential difference and facts
5.	Conductivity and resistivity
6.	Cell and its types
7.	Dry cell

1.	Composition of atom Difficulty: easy	2
2.	Electrical appliances Difficulty: easy	3
3.	Units and formulae Difficulty: easy	3
4.	Numerical based on electric current Difficulty: medium	3
5.	Nature of a cell Difficulty: medium	3
6.	Types of cells Difficulty: medium	2
7.	Primary and secondary cells Difficulty: medium	2
8.	Conversion of ampere to microampere Difficulty: medium	3
9.	Conventional current and cell Difficulty: medium	3
10.	Numerical based on electric current Difficulty: hard	5
11.	Numerical based on resistance Difficulty: hard	5

1.

Training test

Difficulty: easy

8

1.

Methodical recommendation

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