Advertisements
Advertisements
प्रश्न
State whether the resistance of filament of a bulb will decrease, remain unchanged or increase when it glows.
टिप्पणी लिखिए
Advertisements
उत्तर
The temperature of the filament increases when it glows. So, when the temperature of the wire (bulb filament) increases, ions in it vibrate violently. As a result, the number of collisions increases and hence the resistance increases.
shaalaa.com
Types of Circuits: Simple Circuit
क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
APPEARS IN
संबंधित प्रश्न
Write symbol and state function of following component in an electric circuit :
cell
State and define the S.I. unit of potential difference.
How many electrons constitute one unit electric charge in SI system?
What is the electrical potential at a point in an electric field when 24 J of work is done in moving a charge of 96 C from infinity?
What type of charge is produced on an ebonite rod when it is rubbed with a cat's fur?
How many electrons are present in one coulomb?
Who first showed two kinds of charges and who gave them algebraic signs?
What is the net charge on an atom?
How many electrons are present in Na+? The atomic number of Na is 11.
Write the SI unit of resistance.
