A circuit contains an AC voltage source, a resistor, and another component. The voltage amplitude is held constant as the frequency is increased. The current in the circuit is observed to increase as the frequency is increased. What is the additional component in the circuit

Question

Jasiah

Physics

22 January, 23:50

A circuit contains an AC voltage source, a resistor, and another component. The voltage amplitude is held constant as the frequency is increased. The current in the circuit is observed to increase as the frequency is increased. What is the additional component in the circuit

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Answers (1)

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Valentino · Answer 1

Capacitor

Explanation:

A capacitor is a device that stores charges. For a sinusoidal voltage circuit which contains a capacitor, the capacitor will alternately charge and discharge at a rate determined by the frequency of the supply.

When an alternating sinusoidal voltage is applied to the plates of a capacitor in an AC circuit, the capacitor is charged firstly in one direction and then in the opposite direction changing its polarity at the same rate as the AC mains voltage.