1000+ Electrical Engineering Online Test - 2

Question: 6

No current flows between two charged bodies if they have same

(A) charge

(B) potential

(C) capacity

(D) none of the above

Question: 7

The magnitude of AT required for air gap is much greater than that required for iron part of a magnetic circuit because

(A) air is a conductor of magnetic flux

(B) air has the lowest relative permeability

(C) air is a conductor of magnetic flux

(D) none of these

Question: 8

One ampere hour charge is equivalent to

(A) 200 coulombs

(B) 360 coulombs

(C) 3600 coulombs

(D) 6000 coulombs

Question: 9

Two batteries having unequal e.m.f.

(A) may be connected in series or in parallel

(B) cannot be connected in series

(C) cannot be connected in parallel

(D) can be connected in series only

Question: 10

Which of the following is the voltage for single phase A.C. system?

(A) 22 V

(B) 5 kV

(C) 15 kV

(D) 440 V