Solve this question 18,19,20
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Ans. 18-
conductors- An electrical conductor is a substance in which electrical charge carriers, usually electrons, move easily from atom to atom with the application of voltage .
Five conductor example
Ans. 18-
conductors- An electrical conductor is a substance in which electrical charge carriers, usually electrons, move easily from atom to atom with the application of voltage .
Five conductor example
- Copper
- iron
- silver
- Gold
- Aluminium
Ans. 19
Universal law of gravitation- Every particle in the universe attracts every other particle by a force along a line joining them. The force is directly proportional to product of their masses and inversely proportional to the square of distance between them.
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