Advertisements
Advertisements
प्रश्न
How does the resistivity of a semiconductor depend on temperature?
Advertisements
उत्तर
The resistivity of a semiconductor decreases with an increase in temperature.
संबंधित प्रश्न
Find the expression for the resistors connected in series and write the two characteristics of it. (Draw figure).
Complete the following :-
(a)

Calculate the combined resistance in each case:

Six resistances are connected together as shown in the figure. Calculate the equivalent resistance between points A and B.

Three resistors of 6Ω, 3Ω and 2Ω are connected together so that their total resistance is greater than 6Ω but less than 8Ω Draw a diagram to show this arrangement and calculate its total resistance.
What is the equivalent resistance between the points X and Y for the given network?
Illustrate-combination of cells e.g., three cells, in parallel, explaining the combination briefly. Obtain an expression for current ‘i’ in the combination.
The resistance of the hot filament of the bulb is about 10 times the cold resistance. What will be the resistance of 100 W-220 V lamps, when not in use?
Consider the following combinations of resistors:




The combinations having equivalent resistance 1 Q is/are ______.
