by Alka Verma | Sep 23, 2016 | General
We have read about insulators and conductors in previous blog. The materials which allow charge to pass through insulators and conductors are called conductors and the materials which do not allow electricity to pass through them are called insulators. Some materials...
by Alka Verma | Sep 20, 2016 | General
LDR is a special kind of resistance, which varies according to the light falling on it. An LDR is a kind of light sensor and is also called photoresistor. It is made up of photo resistive material Cadmium Sulphide. LDR’s resistance varies with the strength of light...
by Alka Verma | Sep 16, 2016 | General
The transistor was invented by John Bardeen, Walter Brattain and William Shockley in 1947. The advent of transistor revolutionized the electronics world. Slowly and steadily, transistors became the basic building blocks of modern electronic circuits. Transistors are...
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