Advertisements
Advertisements
प्रश्न
How does specific resistance of a semi-conductor change with the increase in temperature?
उत्तर
The specific resistance of a semiconductor decreases with an increase in temperature.
APPEARS IN
संबंधित प्रश्न
For which of the following substance, resistance decreases with increase in temperature?
Two wires A and B are made of copper. The wire A is long and thin, while the wire B is short and thick. Which will have more specific resistance?
How does (a) resistance, and (b) specific resistance of a wire depend on its (i) length, and (ii) radius?
The electrical resistance of insulators is ____________.
What is the maximum resistance which can be made using five resistors each of 1/5 Ω?
The resistivity does not change if
Should the resistance of an ammeter be low or high? Give reason.
The S.I unit of resistance is ______.
In the given circuit determine the value of:
- Total resistance of the circuit
- Current flowing through the ammeter.
State the order of specific resistance of a metal.