The thickness of insulation provided on the conductor depends on
A). The magnitude of voltage on the conductor
B). The magnitude of current flowing through it
C). Both (A) and (B)
D). None of the above
Conductance: mho ::
A). Resistance : ohm
B). Capacitance : Henry
C). Inductance : farad
D). lumen : steradian
Which of the following material has nearly zero temperature coefficient of resistance?
A). Manganin
B). Porcelain
C). Carbon
D). Copper
Which of the following materials has a negative temperature coefficient of resistance?
A). Copper
B). Aluminum
C). Carbon
D). Brass
You have to replace 1500 Q resistor in radio. You have no 1500 Q resistor but have several 1000 Q ones which you would connect
A). Two in parallel
B). Two in parallel and one in series
C). Three in parallel
D). Three in series