IGCSE /Grade 10
Science MCQ Based On Like and unlike charges
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IGCSE Grade 10 Science Like and unlike charges
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An imbalance of electrons on a material's surface results in static electricity, which is an electrical charge.
The electrostatic force, according to Coulomb's Law, is inversely proportional to the square of the distance between the charges and directly proportional to the product of the two charges.
The force that causes two charges to repel one another is referred to as repulsion.
Electrons (with a negative charge) gather on the surface of the balloon when it is rubbed, for instance, against carpet (they are transferred from the carpet to the balloon).
Diamonds have excellent insulating qualities and are non-metallic.
Similar to magnetic poles, electric charges also pull when they are unlike one another and repel when they are similar.
Electric charges are attracted to one another by a force that diminishes as their distance grows.
Coulombs are the units used to measure electric charge (C)
According to Coulomb, a positive charge pulls a negative charge while two negative charges resist one another.
An atom becomes positively charged when an electron is lost, and negatively charged when an electron is gained.
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