Which one of the following materials is useful for making bulb filaments ?

Related Mcqs:

The current through a metallic conductor is due to the motion of _________________?

A. free electrons B. protons C. neutrons D. still under controversy...

All electrical appliances are connected in parallel to each other between the main line and neutral wire to get ______________________?

A. same current B. same current and potential difference C. different current but same potential difference D. different current and potential differences...

A wire of uniform area of cross-section A length L and resistance R is cut into two parts. Resistivity of each part _________________?

A. remains the same B. is doubled C. is halved D. becomes zero...

The resistance of a conductor at absolute zero (OK) is________________?

A. zero almost B. infinite almost C. no prediction at all D. may increase or decrease...

A fuse is placed in series with the circuit to protect against__________________?

A. high power B. high voltage C. high current D. over heating...