Are the materials having electrical conductivity much less than most o – McqOptions

MCQOPTIONS

1.	Are the materials having electrical conductivity much less than most of the metals but much greater than that of typical insulators.
A.	Varistors
B.	Thermistor
C.	Semiconductors
D.	Variable resistors
Answer» D. Variable resistors

Discussion

No Comment Found

Related MCQs

Temperature coefficient of resistance is expressed in terms of%!
Varistors are%!
Whether circuit may be AC. or D.C. one, following is most effective in reducing the magnitude of the current.%!
Three 6 ohm resistors are connected to form a triangle. What is the resistance between any two corners?%!
All of the following are equivalent to watt except%!
When a voltage of one volt is applied, a circuit allows one micro ampere current to flow through it. The conductance of the circuit is%!
The thickness of insulation provided on the conductor depends on%!
Resistance of carbon filament lamp as the applied voltage increases.%!
A 40 W bulb is connected in series with a room heater. If now 40 W bulb is replaced by 100 W bulb, the heater output will:%!
A rheostat differs from potentiometer in the respect that it%!