Description : What type of wave motion is represented by the motion of water?
Last Answer : Transverse waves.
Description : A light wave can be represented as a plane wave. What three properties of light propagation describe a plane wave?
Last Answer : Direction, amplitude, and wavelength of propagation
Description : What are some examples of wave motion?
Last Answer : Sound waves, light waves, radio waves, heat waves, water waves.
Description : What is wave motion?
Last Answer : A means of transferring energy from one place to another.
Description : What type of gate is represented by the output Boolean expression R T Å ?
Last Answer : Exclusive NOR (X-NOR).
Description : A constant represented by a voltage can be read to what decimal place?
Last Answer : Third.
Description : By using an 8-bit code, how many characters or bit combinations can be represented?
Last Answer : 256.
Description : How is data represented?
Last Answer : By symbols.
Description : Body having simple harmonic motion is represented by A) x = A sin ωt B) x = A cos ωt C) x = - A sin ωt D) x = - A cos ωt
Last Answer : A) x = A sin ωt
Description : The motion of particle is represented by, x = Asin(wt) in which A stands for A. Amplitude B. Wavelength C. Frequency D. Damping
Last Answer : A. Amplitude
Description : If the electricity represented by the wave form in 'B' were applied to the left side of the illustrated circuit, the output on the right side would be ____________. EL-0064 A. direct current with the ... lower lead D. clipped to a value equal to the square root of 3 times the input voltage value
Last Answer : Answer: C
Description : How standard lightning impulse wave is represented?
Last Answer : Answer: Standard Lighting impulse wave is represented by 1.2/50 micro sec wave
Description : Define the term 'sample rate'. A. Snapshots of sound are taken as the wave cannot be represented as a series of continuous changes. B. The number of samples taken each second C. The number of bits used per second of audio D. The number of bits available for each clip
Last Answer : B. The number of samples taken each second
Description : What type of bias (positive or negative) is added to a negative damper for the most positive extremity of the wave shape to be clamped above 0 volts?
Last Answer : Positive bias.
Description : A sound wave that is reflected back toward the source is known as what type of sound?
Last Answer : Echo.
Description : What is the best type of surface or terrain to use for radio wave transmission?
Last Answer : Radio horizon is about 1/3 farther.
Description : . If a basic half-wave antenna is mounted vertically, what type of radiation pattern will be produced?
Last Answer : Nondirectional.
Description : What type of modulation depends on the carrier-wave phase shift?
Last Answer : Phase.
Description : In which type of waves is the motion of the particles perpendicular to the direction of the wave is traveling?
Last Answer : transverse waves
Description : Which of the two types of electron motion (orbital movement and electron spin) is more important in the explanation of magnetism?
Last Answer : Electron spin.
Description : The apparent change in frequency or pitch because of motion is explained by what effect?
Last Answer : The Doppler effect.
Description : The electron beam in a CRT is made to sweep from left to right across the screen. What tube element causes this sweeping motion?
Last Answer : The horizontal-deflection plate.
Description : What transmission method does NOT depend on relative frequency or target motion?
Last Answer : Pulse modulation.
Description : What is energy of motion called?
Last Answer : Kinetic energy.
Description : Generators convert mechanical motion to electrical energy using what principle?
Last Answer : Magnetic induction
Description : What is the term applied to the rate at which a mechanical or electrical force causes motion?
Last Answer : Power
Description : Magnetic induction occurs when there is relative motion between what two elements?
Last Answer : A conductor and a magnetic field.
Description : Which subscript, in circular waveguide classification, indicates the number of full-wave patterns around the circumference?
Last Answer : First.
Description : The number of half-wave patterns in the "b" dimension of rectangular waveguides is indicated by which of the two descriptive subscripts?
Last Answer : Second.
Description : What is added to a sawtooth generator to produce a trapezoidal wave?
Last Answer : A resistor.
Description : Can a pure sine wave be integrated? Why?
Last Answer : A pure sine wave cannot be integrated; it contains no harmonics.
Description : What is the fundamental difference between the phase relationship of the harmonics of the square wave as compared to the harmonics of a peaked wave?
Last Answer : All the odd harmonics are in phase with the fundamental in the square wave. This is not true of the odd harmonics in the peaked wave.
Description : What is the peaked wave composed of?
Last Answer : It is composed of odd harmonics some of which are out phase with the fundamental.
Description : A negative damper with negative bias clamps the most positive extremity of the output wave shape to what polarity (positive or negative)?
Last Answer : Negative potential.
Description : Which portion of a sine-wave input is retained in the output of a series-negative limiter?
Last Answer : Positive.
Description : Which portion of a sine-wave input is retained in the output of a series-positive limiter?
Last Answer : Negative.
Description : A refracted wave occurs when a wave passes from one medium into another medium. What determines the angle of refraction?
Last Answer : The density of the two mediums, and the velocity of the waves.
Description : When a wave is reflected from a surface, energy is transferred. When is the transfer of energy greatest?
Last Answer : When the incident wave is nearly parallel with the surface.
Description : What are the three requirements for a wave to be propagated?
Last Answer : A source, medium, and detector (receiver).
Description : What example of a longitudinal wave was given in the text?
Last Answer : A sound wave.
Description : How is a wave defined as it applies to wave propagation?
Last Answer : A wave is a disturbance which moves through a medium
Description : In the inverting configuration, what is the voltage (for all practical purposes) at the inverting input to the operational amplifier if the input signal is a 1-volt, peak-to-peak sine wave?
Last Answer : 0 volts.
Description : In a full-wave voltage doubler, are the capacitors connected in series or in parallel with the output load?
Last Answer : In parallel.
Description : If a half-wave rectifier is added to a half-wave voltage doubler, the resulting circuit is a voltage ___
Last Answer : Trippler.
Description : A half-wave voltage doubler is made up of how many half wave rectifiers?
Last Answer : Two.
Description : Is a full-wave rectifier output easier to filter than that of a half-wave rectifier?
Last Answer : Yes.
Description : What main advantage does a bridge rectifier have over a conventional full-wave rectifier?
Last Answer : The bridge rectifier can produce twice the voltage with the same size transformer.
Description : What is the main disadvantage of a conventional full-wave rectifier?
Last Answer : Peak voltage is half that of the half-wave rectifier.
Description : What is the average voltage (Eavg) Output of a full-wave rectifier with an output of 100 volts peak?
Last Answer : 63.7 volts.
Description : What is the ripple frequency of a full-wave rectifier with an input frequency of 60 Hz?
Last Answer : 120 hertz.