engineering recuitment BSPHCL JE Electrical 2024 Mock Test Utilization of Electrical Energy Lamps and Bulbs
In a metal filament bulb, the filament used as a heating coil is tungsten due to its _______.
1
high melting point and low resistivity
2
low melting point and high resistivity
3
high melting point and high resistivity
4
low melting point and low resistivity