Advertisements
Advertisements
प्रश्न
State the factors on which the electrical resistance of a wire depends.
Advertisements
उत्तर
The electric resistance of the wire depends on the following factors :
(i)The length of the wire.
(ii)The area of cross-section of the wire.
(iii)The temperature of the wire.
(iv)The material of the wire.
APPEARS IN
संबंधित प्रश्न
Name the instrument used to control the current in an electric circuit.
In the electric circuit shown in Figure, label the parts A, B, C, D, E, and F. State the function of each part. Show in the diagram the direction of flow of current.
Define the term potential difference.
State whether the resistance of filament of a bulb will decrease, remain unchanged or increase when it glows.
A bulb draws current 1.5 A at 6.0 V. Find the resistance of filament of bulb while glowing.
There is a positively charged sphere A and negatively charged sphere B, such that they are brought in electrical contact by a copper wire.
In which direction electronic current flows?
What is the other name of a variable resistor?
