Suggest two methods of improving the efficiency of a machine.
Teachers Of Physics Latest Questions
A ball ? is always in neutral equilibrium. Explain.
When I look at the tyres of a moving vehicle in a movie the look as if they are moving in the opposite direction. How can we explain this phenomenon/effect?
state the reason why current produced by a simple cell falls rapidly when the cell is being used.
Differentiate between Zener breakdown and Avalanche breakdown as used in electronics.
State the reason why hot water may not be use to sterilise clinical thermometer