GENERAL KNOWLEDGE

GK

PHYSICS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What is the measure of an object’s ability to store electric charge?
A
Electric charge
B
Capacitance
C
Dielectric
D
Capacitor
Explanation: 

Detailed explanation-1: -Capacitance is the capability of a material object or device to store electric charge. It is measured by the change in charge in response to a difference in electric potential, expressed as the ratio of those quantities.

Detailed explanation-2: -Functionally, this leads to capacitance also being a measure of how much energy a capacitor can store. Often a capacitance is thought of as being the physical property of a capacitor that has two conducting plates close to each other. The capacitance is described mathematically as: C=qV.

Detailed explanation-3: -The capacitance of an object describes its ability to store electrical charge at a certain voltage. All objects that can conduct electricity have some amount of capacitance, and some objects are better than others at storing electrical charge, based on the structure of the materials.

Detailed explanation-4: -The unit of electrical capacitance is the farad (abbreviated F), named after the English physicist and chemist Michael Faraday. The capacitance C of a capacitor is the ratio of the charge Q stored in the capacitor to the applied dc voltage U: C = Q/U.

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