Electrical Engineering Materials - Practice Test

(A) Aluminium is more ductile and malleable than copper

(B) Aluminium is available in plenty, cheaper and lighter than copper

(C) Aluminium has lower resistivity than that of copper

(D) Aluminium has less temperature co-efficient than copper

(B) Aluminium is available in plenty, cheaper and lighter than copper

(A) Less liability to kink

(B) Greater flexibility

(C) Less liability to break

(D) All of the above

(D) All of the above

(A) The electronic concentration and the mobility of the free electrons

(B) The number of valence electrons per atom

(C) Either A or B

(D) None of the above

(A) The electronic concentration and the mobility of the free electrons

(A) Overhead telephone wire

(B) Earth wire

(C) Core wire of ACSR

(D) All of the above

(D) All of the above

(A) Electric field

(B) Magnetic field

(C) Electromagnetic field

(D) None of the above

(A) Electric field

Electrical Engineering Materials - Study Mode