Physics
Which of the following is an ohmic resistor?
- LED
- junction diode
- filament of a bulb
- nichrome wire
Related Questions
The specific resistance of a rod of aluminium as compared to that of a thin wire of aluminium is :
- Less
- More
- Same
- Depends upon the area of cross section and length of both
If the length l of wire is increased to 3l by stretching, its resistance R increases to ……………
- 3R
- 4R
- 6R
- 9R
For which of the following substances, resistance decreases with increase in temperature?
- copper
- mercury
- carbon
- platinum
Standard resistors are made of :
- Copper
- Aluminium
- Constantan
- Carbon