Questions

450 mm Hg denotes the air pressure.

Ctrl+Shift+F Opens the Font dialog box with the focus at the Font combo box.

Vatican city is not the member of UNO

EyeROV TUNA, the India's first underwater robotic drone was launched and handed over to Kochi based DRDO lab and it can send realtime videos of ships and other underwater structures to help with their repair and maintenance.

The strength of an electromagnet can be increased by increasing the cross-sectional area, increasing the number of turns, increasing current supply, increasing the length of the coiled wire.

The Quality Factor is also defined, as Q. So it is a number, which reflects the lossness of a circuit. higher the Q, the lower are the losses.

the quality factor is measurement of efficiency (or effectiveness) of a device or circuitry. In literal sense quality factor means qualitative performance of a device.