This simple circuit involves a resistance wire on the meter rule and the use of jockey tapping at different length L on the resistance...

The variable resistor (rheostat) is a device to control the size of the current by adjusting the resistance on the variable resistor ....

Refer to the video below for the setting up of the apparatus. Why do you need a variable resistor (rheostat)? Without the variable...

Resistors may be connected in series or parallel. When asked which resistor has higher power (hence higher energy), in general we will...

Refer to the notes below together with the video to learn more about the CRO Videos

Transverse waves are waves in which travel perpendicular to the direction of vibration of particles.

Ticker tape timer is a device which punches dots on a tape at specific time interval. The tape can be attached to a moving object. With...

In a vacuum room, where is no air resistance, the bowling ball will have the same acceleration as the feather, which is 10 m/s2 on earth....

Physical Quantity is a quantity that can be measured and it consists of a numerical magnitude (size) and a unit . (e.g. 5m where 5 is...