Advertisements
Advertisements
प्रश्न
How does the resistance of an alloy, vary with temperature?
उत्तर
The resistance of an alloy remains nearly unaffected by the change in temperatue.
APPEARS IN
संबंधित प्रश्न
The V-I graph for a series combination and for a parallel combination of two resistors is shown in the figure below. Which of the two A or B. represents the parallel combination? Give reasons for your answer.
What possible values of resultant resistance one can get by combining two resistances, one of value 2 ohm and the other 6 ohm?
In series combination of resistances ______.
What is the equivalent resistance between A and B in the given circuit (Fig?)
What material is used for making wire to prepare heating coils? Give a reason.
Define the term resistivity and state its S.I. unit. Which will have higher resistivity a conductor or an insulator.
The voltage applied to a given rheostat is made four times its initial value. By what factor will be resistance of the rheostat change?
State a relation between electrical power, resistance and potential difference in an electrical circuit.
You are provided with three resistors of resistance 1.0 Ω, 2.0 Ω and 3.0 Ω How would you connect them to obtain the total effective resistance 1.5 Ω? Draw diagram of the arrangement and check it by calculations.
Consider the following combinations of resistors:
The combinations having equivalent resistance 1 Q is/are ______.
