1.

You have two copper cables of equal length for carrying current . One of them has a single wire of area of cross- section A , the other has ten wires of cross-section (A)/(10) each . Judge their suitability for transporting a.c. and d.c.

Answer»

Only SINGLE STRAND for d.C., either for a.c.
Either for d.c., only MULTIPLE STRANDS for a.c.
Only single strand for a.c., either for d.c.
Only single strand for d.c., only multiple strands for a.c.

Answer :C


Discussion

No Comment Found

Related InterviewSolutions