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Electrical Materials Quiz UPPCL JE 2017

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Question 1

Which material is used for wiring continuous bus bar?
I. Aluminium
II. Copper

Question 2

During discharge of a battery_____.

Question 3

If the length is increased by ‘n’ times by streching the wire, then the Resistance of the conductor would be:

Question 4

Hysteresis is the phenomenon in the magnetic circuit by which

Question 5

In a semiconductor, the resistivity

Question 6

Resistance temperature coefficient of copper at 20C is

Question 7

Tesla is same as

Question 8

Which among the following metals has maximum Curie temperature?
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Feb 11ESE & GATE EE