Advertisements
Advertisements
प्रश्न
Name the material which is the best conductor of electricity.
उत्तर
Silver is the best conductor of electricity.
APPEARS IN
संबंधित प्रश्न
Complete the following :-
(a)
You are supplied with a number of 100 Ω resistors. How could you combine some of these resistors to make a 250 Ω resistor?
State how are the two resistors joined with a battery when equivalent resistance is more than either of the two resistances.
A graph is plotted taking p.d. along y-axis and electric current along x-axis. Name the physical quantity that represents the slope of this graph (Fig.).
Choose the correct alternative and rewrite the following:
You are given three equal resistances. In how many combinations can they are arranged?
Name the material of wire used for making standard resistances. Give a reason.
Why are thick copper wires used as connecting wires?
Write an expression for the resistance of a conducting wire in terms of its length and area of cross-section.
State and explain the laws of resistance.
Two electric bulbs have resistances in the ratio 1 : 2. If they are joined in series, the energy consumed in them is in the ratio: