Description : What term describes sounds capable of being heard by the human ear?
Last Answer : Sonics.
Description : What term describes a device used to conduct heat away from a component?
Last Answer : A thermal shunt.
Description : What term describes a material whose resistance remains relatively constant with changes in temperature?
Last Answer : Zero temperature coefficient.
Description : What term describes voltage or emf?
Last Answer : Difference of potential.
Description : What term describes how much of a cycle has been completed?
Last Answer : Phase or phase angle.
Description : What term identifies a single resistor that represents total resistance of a complex circuit?
Last Answer : Equivalent resistor or Req.
Description : What does the term single phase indicate?
Last Answer : One voltage (one output).
Description : What term describes a prism that only has one base positioned opposite of a single point?
Last Answer : The term that best describes it is an "oxymoron". A solid shapewith one base opposite a single point is not a prism so such anobject cannot exist.
Description : The spectrum of a radar transmitter describes what characteristic of the output pulse?
Last Answer : Frequency distribution
Description : What type of radar provides continuous range, bearing, and elevation data on an object?
Last Answer : Track radar.
Description : The Doppler method of object detection is best for what type objects?
Last Answer : Fast-moving targets.
Description : The Doppler effect causes a change in what aspect of rf energy that strikes a moving object?
Last Answer : Frequency.
Description : Can any rapidly spinning object be considered a gyroscope?
Last Answer : Yes.
Description : What describes unequal forces acting on an object?
Last Answer : If the sum of all forces acting on one object is not exactlyzero, the forces are said to be unbalanced. In that case, theobject will accelerate.
Description : Which of the most accurately describes the motion of the object?
Last Answer : Denser materials tend to move downward, while less densematerials tend to move upward.good luck on study island
Description : Which one among the following is incorrect about 'class': a) A class is simply a representation of the type of object. b) It is blueprint or plan or template that describes the details of an object. ... of three things - a name, attributes and operations d) All of the above e) None of These
Last Answer : e) None of These
Description : Pick up the correct statement from the following: (A) Topology describes the geometric characteristic of objects which do not change under transformations and are independent of any coordinate system ... The three elements of topology are adjacency, containment, and connectivity (D) All of these
Last Answer : Answer: Option D
Description : How is the single lace started?
Last Answer : With a square knot and at least two marling hitches drawn tightly.
Description : What amount of flat tape or round cord is required to single lace a group of conductors?
Last Answer : Two and one-half times the length of the longest conductor in the group.
Description : Scopes that produce two channels on a single CRT with a single beam are referred to as what types of scopes?
Last Answer : Dual-trace oscilloscopes.
Description : What test equipment is designed to generate, modify, or measure a range of parameters of electronic functions of a specific nature required to test a single system or equipment?
Last Answer : Special-purpose electronic test equipment.
Description : What is the main reason for using a multispeed synchro system instead of a single-speed synchro system?
Last Answer : Greater accuracy without the loss of self-synchronous operation.
Description : Which of the two main types of rotors can have either a single winding or three Y-connected windings?
Last Answer : The drum or wound rotor.
Description : If two coils are wound on a single iron core, what will a change in current in one coil cause in the other coil?
Last Answer : A change in inductance.
Description : If the single-input, differential-output, differential amplifier has an output signal taken between the two output terminals, what will the peak-to-peak amplitude of this combined output be?
Last Answer : 200 millivolts. A-18. a. Differential amplifier
Description : If the differential amplifier is configured with a single input and differential outputs, what will the output signals be?
Last Answer : Each output will be a sine wave with a peak-to-peak amplitude of 100 millivolts. The output signals will be 180 degrees out of phase with each other.
Description : What two transistor amplifier configurations are combined in the single-transistor, two-input, single-output difference amplifier?
Last Answer : Common emitter (CE) and common base (CB)
Description : How does the operator of a single-lobe scanning system determine when the target moves off the lobe axis?
Last Answer : The reflected signals decrease in strength.
Description : What radar component permits the use of a single antenna for both transmitting and receiving?
Last Answer : Duplexer.
Description : Which are more sensitive to alignment errors, single mode or multimode fibers?
Last Answer : Single mode.
Description : Do small core distortions formed by arc fusion's self alignment mechanism have more of an affect on light propagating through multimode or single mode fibers?
Last Answer : Single mode fibers.
Description : Which semiconductor sources (LD or LED) emit more focused light and are capable of launching sufficient optical power into both single mode and multimode fibers?
Last Answer : LDs.
Description : What are the two methods used by fiber manufacturers to fabricate multimode and single mode glass fibers?
Last Answer : Vapor phase oxidation and direct-melt process.
Description : Give two reasons why the value of the normalized frequency (V) is varied in single mode stepindex fibers?
Last Answer : To increase performance and reduce losses caused by bending and splicing.
Description : What happens to the fundamental mode as the operating wavelength becomes longer than the single mode cutoff wavelength?
Last Answer : The fundamental mode becomes increasingly lossy.
Description : In single mode operation, the value of the normalized frequency (V) should remain near the 2.405 level. If the value of V is less than 1, do single mode fibers carry a majority of the power in the core or cladding material?
Last Answer : Cladding material.
Description : What are the two basic types of single mode step-index fibers?
Last Answer : Matched-clad and depressed-clad.
Description : List the standard core sizes for multimode step-index, multimode graded-index, and single mode fibers
Last Answer : Multimode step-index fibers: 50µm and 100µm. Multimode graded-index fibers: 50µm, 62.5µm, 85µm, and 100µm. Single mode fibers: between 8µm and 10µm.
Description : In what direction are component leads clinched on single and double-sided boards?
Last Answer : In the direction of the run.
Description : Older, single-sided, single-density floppy disk drives would probably use what method for encoding digital data onto the floppy disk?
Last Answer : Frequency-modulation encoding.
Description : What is the advantage of single-sideband (ssb) transmission over AM transmission?
Last Answer : The same amount of intelligence can be transmitted with one sixth of the output power with less than one-half the bandwidth.
Description : Will fiber coupling loss generally increase or decrease if the mode field diameter of a single mode fiber is decreased?
Last Answer : Increase.
Description : Explain the difference between multimode and single mode core-cladding concentricity errors.
Last Answer : Multimode core-cladding concentricity error is the distance between the core and cladding centers expressed as a percentage of core diameter while the single mode core-cladding concentricity error is just the distance between the core and cladding centers
Description : The cutoff wavelength of matched-clad and depressed-clad single mode fibers varies according to the fiber's radius of curvature and length. The cutoff wavelength of which single mode fiber type is more sensitive to length
Last Answer : Depressed-clad.
Description : A mode filter is a device that attenuates specific modes propagating in the core of an optical fiber. What mode propagating along single mode fibers do mode filters eliminate?
Last Answer : Second-order mode.
Description : The value of the normalized frequency parameter (V) relates the core size with mode propagation. When single mode fibers propagate only the fundamental mode, what is the value of V?
Last Answer : V≤2.405.
Description : If the load requirement consists of both positive and negative voltages, what technique is used in the voltage divider to supply the loads from a single voltage source?
Last Answer : The ground (reference point) is placed in the proper point in the voltage divider so that positive and negative voltages are supplied
Description : In describing a switch by the number of positions of the actuator, what are the two possible configurations for a single pole, double-throw switch?
Last Answer : Two-position and three-position.
Description : Which type of optical fiber (multimode or single mode) tends to have lower loss and produces less signal distortion?
Last Answer : Single mode fiber.
Description : With a single modulating tone, what is the amplitude of the sideband frequencies at 100-percent modulation?
Last Answer : One-half the amplitude of the carrier.