Physics Past Questions and Answers

Which of the following diagrams represents correctly an n-p-n transistor?

i.

ii.

iii.

choose the option that best completes the gaps. All God’s prophets were given the great...

The inner diameter of a small test tube can be measured accurately using a

A pulley system has three pulleys in the fixed block and two in the movable block and if the pulley has an efficiency of 72%, the mechanical advantage of the system is?

When an atom loses or gain a charge it becomes