ELECS 6

________ is called an electronic transfer from one stage to the next.

• Coupling

• Swamping

• Doping

• Mixing

_______ capability is analogous to permeance.

• Admittance

• Conductance

• Reluctance

• Resistance

Which is a common use for point-contact diode?

• As a constant current source

• As a constant voltage source

• As an RF detector

• As a high voltage rectifier

Which of the following is not a secondary type cell?

• Lithium

• Lead-acid

• Silver cadmium

• Silver-zinc

What do you call the piece of equipment in an oscilloscope used to indicate pulse condition in a digital logic circuit?

• Logic probe

• Probe

• Electroscope

• Galvanometer

How many bits, binary pattern represent the decimal numbers 0 to 9 in binary coded decimal?

• 4

• 1

• 2

• 8

Which is the principal characteristic of a varactor diode?

• It has a very high PIV

• It has a negative resistance region

• Its internal capacitance varies with the applied voltage

• It has a constant voltage under conditions of varying current

What is the law whereby the attraction or repulsion between two magnetic poles is directly proportional to their strength?

• Coulomb’s law

• Newton’s law

• Coulomb’s first law

• Norton’s law

Efficient oscillators are those that are class ________.

• AB

• B

• C

• A

_______ refers to a circuit that stores pulses and produces an output pulse when specified number of pulses is stored.

• Counter

• Register

• Flip-flop

• Buffer