Which of the Following Capacitor is Polarized?

Answer: D. Electrolytic

Among the given capacitors electrolytic capacitor is polarized.

Solution

A capacitor which has fixed polarities (positive and negative) assigned to its terminals is known as a polarized (or) polar capacitor. 

As the terminal polarities are fixed, the positive and negative terminals of the polarized capacitor should be connected to the respective positive and negative terminals of the source. Otherwise, the capacitor will get destroyed. So, polarized capacitors are only used in DC applications.

Polar (or) polarized capacitors are classified into,

1. Electrolytic capacitors
2. Supercapacitor

So, the electrolytic capacitor is polarized.

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