Electronic Principles MCQ Questions & Answers | Computer Science

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

E. None of the above

A. Copper

B. Silicon

C. Germanium

D. All of the above

E. None of the above

A. 1750 mA

B. 17.5 mA

C. 175 mA

D. 1.75 mA

E. None of the above

A. Doping

B. Valence electrons

C. Free electrons

D. Thermal energy

E. None of the above

A. Power dissipation of a pure inductor decreases with operating frequency

B. Power dissipation of a pure inductor is at a maximum for dc source voltages

C. Power dissipation of a pure inductor increases with operating frequency

D. There is no meaningful relationship between the power dissipation of a pure inductor and its operating frequency

E. None of the above

A. 81

B. 85

C. 6

D. 9

E. None of the above

A. The secondary voltage for a step-down power transformer is greater than the primary voltage

B. The secondary current for a step-down power transformer is greater than the primary voltage

C. Parallel RLC circuit operated below its resonant frequency

D. purely resistive circuit

E. None of the above

A. 4

B. 29

C. 14

D. 48

E. None of the above

A. 3 V

B. 16 V

C. 7.5 V

D. 8 V

E. None of the above

A. Forward-biased

B. Reverse-biased

C. Nonconducting

D. Operating in the breakdwon region

E. None of the above