A. carbon
B. aluminum
C. tungsten
D. nickel
Related Mcqs:
- An electric filament bulb can be worked from __________?
- The hot resistance of the bulb’s filament is higher than its cold resistance because the temperature co-efficient of the filament is __________?
- A 40 W bulb is connected in series with a room heater. If now 40 W bulb is replaced by 100 W bulb, the heater output will __________?
- Stellite contains
- Heat is transferred from an electric bulb mainly by
- A light bulb draws 300 mA when the voltage across it is 240 V. The resistance of the light bulb is __________?
- Corrosion resisting materials are the alloys containing chromium as a base alloyed with
- Highest melting point metal is
- The depth of hardness in steel can be increased by the addition of
- Which of the following materials has a negative temperature co-efficient of resistance?
