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Electrical Engineering Mcqs — Test 4

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Question 1
Temperature co-efficient of resistance is expressed in terms of___________?
Question 2
When current flows through heater coil it glows but supply wiring does not glow because______________?
Question 3
The condition for the validity under Ohm’s law is that_______________?
Question 4
Which of the following statement is correct_______________?
Question 5
A rheostat differs from potentiometer in the respect that it_____________?
Question 6
An open resistor, when checked with an ohm-meter reads_____________?
Question 7
are the materials having electrical conductivity much less than most of the metals but much greater than that of typical insulators______________?
Question 8
All good conductors have high____________?
Question 9
Voltage dependent resistors are used_____________?
Question 10
The ratio of mass of proton to that of electron is nearly_____________?