Which of the following provides power back to a computer system even when main current is off?
1). UPS
2). Inverter
3). CMOS battery
4). Soft Power
1. What is the SI unit of frequency?
3. Convex and concave mirrors are examples of?
5. Soap bubble attains spherical shape due to ________
6. A galvanometer can be converted to a voltmeter by connecting
7. Which of the following statements is true when we see rainbow ?
8. In which of the following processes is energy released ?
9. Which of the following is an example of simple harmonic motion?
10. The quantity that is not conserved in an inelastic collision is