Multiple Choice Questions in Electronics Engineering Part 14

Multiple Choice Questions in Electronics Engineering Part 14

1.      Who created the World Wide Web?

A. Bob Metcalfe

B. Douglas Engelbart

C. Tim Berners-Lee

D. Larry Roberts

  

2.      Who wrote the Transmission Control Protocol (TCP) for internet?

A. Vinton Cerf

B. Bob Khan

C. Tim Berners-Lee

D. Both A and B

3.      Who wrote the Hypertext Transfer Protocol (HTTP), the language computer could use to communicate hypertext documents over the internet?

A. Vinton Cerf

B. Bob Khan

C. Tim Berners-Lee

D. Larry Roberts

4.      What effect refers to a leakage current that flow over a surface path between the collector and emitter in some types of transistors?

A. Channel effect

B. Collector follower effect

C. Leakage effect

D. Emitter effect

5.      An effect about the change that the susceptibility of a ferrite undergoes under the influence of high RF powder.

A. Change effect

B. Damon effect

C. Dead-end effect

D. Barnett effect

6.      An outward-curving distortion of lines of force near the edges of two parallel metal plates that form a capacitor.

A. Change effect

B. Edge effect

C. Dead-end effect

D. Skin effect

7.      The extension of the electrostatic field of an air capacitor outside the space between its plates.

A. Fringe effect

B. Edge effect

C. Extension effect

D. Flywheel effect

8.      The sudden, large increase in current that occurs when a particular value of reverse voltage is reached, and which is due to ionization by the high intensity electric field in the depletion region in reverse-biased pn junction.

A. Zener effect

B. Avalanche effect

C. Radiation effect

D. Burst effect

9.      The liberation or absorption of heat when an electric current flows from a warmer to a cooler part of a conductor.

A. Zener effect

B. Skin effect

C. Surface effect

D. Thomson effect

10.  The piercing of a barrier in a semiconductor by a particle that does not have sufficient energy to go over the barrier.

A. Channel effect

B. Damon effect

C. Tunnel effect

D. Barrier effect

11.  The development of a voltage across the junction of two dissimilar materials.

A. Photovoltaic effect

B. Hall effect

C. Piezoelectric effect

D. Flywheel effect

12.  The increase in the effective grid-cathode capacitance of a vacuum tube due to the charge induced electrostatically on the grid by the anode through the grid-anode capacitance.

A. Hall effect

B. Barnett effect

C. Damon effect

D. Miller effect

13.  The development of a voltage between the two edges of a current-carrying metal strip whose faces are perpendicular to a magnetic field.

A. Hall effect

B. Barnett effect

C. Miller effect

D. Damon effect

14.  A magnetic field when applied to a right angles to the direction of a temperature gradient in a conductor, a temperature difference is produced at right angles both to the direction of temperature gradient and the direction of the magnetic field.

A. Hallwachs effect

B. Island effect

C. Isotope effect

D. Leduc effect

15.  The ability of a resonant circuit to maintain oscillation at an essentially constant frequency when fed with short pulses of energy at constant frequency and phase.

A. Flywheel effect

B. Leduc effect

C. Hall effect

D. Thomson

16.  The development of a DC voltage between two regions of a photoconductive semiconductor when one of the regions is illuminated by diffusion of an optically generated hole and electron pairs away from the illuminated region.

A. Destriau effect

B. Isotope effect

C. Dember effect

D. Hawks effect

17.  Phenomenon of a current flowing between two unequal illuminated electrodes of a certain type when they are immersed in an electrolyte.

A. Bequerel effect

B. Destriau effect

C. Dember effect

D. Hawks effect

18.  The restriction of emission from the cathode of an electron tube to a certain small areas of the cathode when the grid voltage is lower than a certain value.

A. Island effect

B. Isotope effect

C. Damon effect

D. Hawks effect

19.  The tendency for layer of semiconductor having a high secondary emission ratio to become positively charged when bombarded by electrons. This occurs when a thin insulator separates the semiconductor from the metal plates. The insulator must be very thin on the order of 10^-7 meters. This results in a potential difference of up to about 100 volts.

A. Mateucci effect

B. Malter effect

C. Destriau effect

D. Hall effect

20.  The magnetic force between adjacent current-carrying conductors is referred to as

A. motor effect

B. edge effect

C. proximity effect

D. generator effect