TERM 3 REVISION

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Rubbing your hands together is an example of ...

• Friction

• Induction

• Electrostatic attraction

An uncharged object has an equal number of ................... and electrons

 

Calculate the charge of the object alongside. (count the excess charges after cancelling pairs of electrons & protons)

• -4

• +4

• -2

• +2

Q. 

The ruler and cloth were initially neutral. the cloth was then rubbed onto the ruler. The object that has picked up a negative charge is the ................

Energy possessed by an object by virtue of it's motion________

• Kinetic energy

• Potential energy

• Thermal energy

Heat from the sun travels to earth by a process of...

• Conduction: Transfer of heat between objects in direct contact

• Convection: Transfer of heat through the motion of gas / liquid particles

• Radiation: Transfer of heat through electromagnetic waves without using particles.

Energy possessed by an object by virtue of it's height ......................... ................

In electron flow , charges move from ________

• positive to negative terminal

• negative to positive terminal

• any terminal direction

If you drop a ball from 5M, its potential energy will ______

• Decrease

• Increase

The following circuit symbol is of a _______

• Switch

• Resistor

• Fuse