Is a 1000microFarads nonpolarized capacitor still used?

Yes, a 1000 microfarad nonpolarized capacitor is still used in various applications, particularly in AC circuits and audio equipment where polarity is not a concern. These capacitors are often employed for coupling, decoupling, or filtering purposes. While polarized capacitors are more common for DC applications, nonpolarized capacitors are essential for certain circuits and can handle bidirectional current.