Computer Programming MCQs

5739 MCQs  (Page 5 of 574)

Current velocity through a copper conductor is___________?
A. The same as propagation velocity of electric energy
B. Independent of current strength
C. Of the order of a few ^.s/m
D. Nearly 3 x 108 m/s
Two resistors are said to be connected in series when___________?
A. Same current passes in turn through both
B. Both carry the same value of current
C. Total current equals the sum of branch currents
D. Sum of ir drops equals the applied e.m.f.
Which of the following statement is true both for a series and a parallel D. C. circuit?
A. Elements have individual currents
B. Currents are additive
C. Voltages are additive
D. Power are additive
Ohm’s law is not applicable to____________?
A. Vacuum tubes
B. Carbon resistors
C. High voltage circuits
D. Circuits with low current densities