Teaching BPSC बिहार मध्य विद्यालय (6 to 8) शिक्षक भर्ती 4.0 Mock Test General Science Physics Current Electricity
The primary reason for using tungsten in the filament of incandescent bulbs is:
1
It has a high melting point
2
It is a good conductor of electricity.
3
It is cheap and easily available.
4
More than one of the above
5
None of the above