Electronic Principles - Practice Test

(A) The current in an ac circuit flows in one direction, but changes value periodically

(B) The current in an ac circuit flows in one direction at a steady level

(C) The current in an ac circuit changes direction periodically

(D) The current in an ac circuit flows in two directions at the same time

(C) The current in an ac circuit changes direction periodically

(A) 700 V

(B) 707 V

(C) 651 V

(D) 208 V

(C) 651 V

(A) The concentration of lines of magnetic force

(B) The rate of change of the number of lines of magnetic force

(C) The opposition to a build-up of magnetic fields

(D) The force that maintains lines of force

(A) The concentration of lines of magnetic force

(A) Copper

(B) Silicon

(C) Germanium

(D) All of the above

(B) Silicon

(A) 1750 mA

(B) 17.5 mA

(C) 175 mA

(D) 1.75 mA

(B) 17.5 mA

Electronic Principles - Study Mode