What are the essential requirements of a heater filament ?
What are the essential requirements of a heater filament ?
- A
high resistivity, low melting point
- B
low resistivity, low melting point
- C
high resistivity, high melting point
- D
low resistivity, high melting point.
Similar Questions
What is the unit of electric current?
What is the unit of electric current?
A piece of wire of resistance $6\, \Omega$ is connected to $a$ battery of $12 \,V$. Find the amount of current flowing through it. Now, the same wire is redrawn by stretching it to double its length. Find the resistance of the new (redrawn) wire.
A piece of wire of resistance $6\, \Omega$ is connected to $a$ battery of $12 \,V$. Find the amount of current flowing through it. Now, the same wire is redrawn by stretching it to double its length. Find the resistance of the new (redrawn) wire.
The quantity of charge flowing past a point multiplied by time is current.
The quantity of charge flowing past a point multiplied by time is current.
In the following circuits (Figure), heat produced in the resistor or combination of resistors connected to a $12\, V$ battery will be
In the following circuits (Figure), heat produced in the resistor or combination of resistors connected to a $12\, V$ battery will be
An electric bulb is connected to a $220\, V$ generator. The current is $0.50 A$. What is the power of the bulb ?
An electric bulb is connected to a $220\, V$ generator. The current is $0.50 A$. What is the power of the bulb ?