A device that stores electric charge is a:

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Study for the Gate 3 Airstreams Renewable Test. Explore multiple choice questions and detailed explanations. Prepare efficiently for your evaluation!

Multiple Choice

A device that stores electric charge is a:

Explanation:
A capacitor stores electric charge on two conductive plates separated by a dielectric. When connected to a voltage, charge accumulates on the plates: positive on one plate and negative on the other, with the dielectric preventing direct current flow between them. The amount of charge stored is proportional to the applied voltage, Q = C V, where C is the capacitance. The energy stored is W = 1/2 C V^2. This ability to hold charge is what defines a capacitor, making it different from a resistor (which dissipates energy as heat and doesn’t store charge), an inductor (which stores energy in a magnetic field due to current), or a diode (which controls the direction of current flow).

A capacitor stores electric charge on two conductive plates separated by a dielectric. When connected to a voltage, charge accumulates on the plates: positive on one plate and negative on the other, with the dielectric preventing direct current flow between them. The amount of charge stored is proportional to the applied voltage, Q = C V, where C is the capacitance. The energy stored is W = 1/2 C V^2. This ability to hold charge is what defines a capacitor, making it different from a resistor (which dissipates energy as heat and doesn’t store charge), an inductor (which stores energy in a magnetic field due to current), or a diode (which controls the direction of current flow).

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