The Octal Number System is another type of computer and digital base number system. Octal Number System is very similar in principle to the previous hexadecimal numbering system except that in Octal, a binary number is divided up into groups of only
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On this page you can find information about the circuit breaker types or classification by the interrupting medium used i.e. oil, air, vacuum or gas etc. Oil Circuit Breakers Oil has an excellent dielectric strength which enables itself not only to be
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Below you can find MCQ’s or Multiple Choice Questions related to the Transmission Lines in the field of Communications Engineering. Correct answers are in red & bold font. 1. What determines the velocity factor in transmission line? a) The termination impedance b)
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Section 1: Electrical interview questions and answers about switchgear and protection What are the functions of protective relays? To detect the fault and initiate the operation of the circuit breaker to isolate the defective element from the rest of the system, thereby
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The Hall effect was discovered 18 years before the discovery of electrons i.e. in 1879 by Edwin Herbert Hall. This achievement happened when he was working on his doctoral degree at the Johns Hopkins University in Baltimore, Maryland, USA. What is Hall
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The opposition to flow of electrons (due to bonds between protons and electrons, as well as to collisions) is called a electrical resistance (R). Or Resistance may also be defined as “The property of the electric circuit which opposes the flow of
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