A perfect conductor has_____________?

Related Mcqs:

Which of the following materials is preferred for transmitting electrical energy over long distance ?

A. Copper B. Aluminium C. Steel reinforced copper D. Steel reinforced aluminium...

The coils of D.C. motor starter are wound with wire of_______________?

A. copper B. kanthal C. manganin D. nichrome...

Addition of 0.3 to 4.5% silicon to iron ________ the electrical resistivity of iron?

A. increases B. decreases C. does not change...

The number of atoms per unit cell in B.C.C. structure is_____________?

A. 1 B. 2 C. 4 D. 8...

Copper, even though costly, finds use in the windings of electrical machines because_____________?

A. copper points offer low contact resistance B. copper can be easily soldered and welded E. copper windings are less bulky and the machines become compact D. all of the above...