Description : When we transmit signal over a long distance, the intensity of the signal is reduced. What could be the solution for this problem? -Technology
Last Answer : We can use a networking device called repeater, regenerates the feeble signal and transmit it.
Description : If the focal spot to film distance is increased from 20cm to 40cm, the intensity of radiation is reduced by: a. ½ b. ¼ . c. 1/3 d. 1/5
Last Answer : b. ¼ .
Description : If the focal spot to film distance is increased from 20cm to 40cm, the intensity of radiation is reduced by: A. ½ B. ¼ C. 1/3 D. 1/5
Last Answer : B. ¼
Description : You can transmit sensitive information, such as that relating to your credit card, by using -Technology
Last Answer : (c) SSL allows sensitive information such as credit card numbers to be transmitted securely.
Description : Do they make toy RC planes that will transmit a video signal back?
Last Answer : Yes the Vortex Extreme 3 Channel RC Airplane With Eyecam Video Camera.
Description : Consider the following statements: 1. In a direct-to-home (DTH) system, the viewer dish antenna picks up signals from the satellite directly. 2. Cable operators receive signal from the satellite on large community dish antennas and ... ? (a) Only 1 (b) Only 2 (c) Both 1 and 2 (d) Neither 1 nor 2
Last Answer : Ans:(c)
Description : Which is technique used to transmit audio signal in television broadcasts?
Last Answer : Frequency modulation
Description : A digital carrier facility used to transmit a DSI-formatted signal at 1.544. Mbps. A. T2 B. T1 C. T4 D. T3
Last Answer : B. T1
Description : Communication satellite are used to a) Transmit communication signal only b)Receive Communication signal only c)Receive and redirect communication signal d)Provides information of natural resources only
Last Answer : c)Receive and redirect communication signal
Description : In an Ethernet local area network, which one of the following statements is TRUE ? a. A station stops to sense the channel once it starts transmitting a frame. b. The purpose ... collision is detected. d. The exponential backoff mechanism reduces the probability of collision on retransmissions
Last Answer : The exponential backoff mechanism reduces the probability of collision on retransmissions
Description : If a modulating wave is sampled 10 times per cycle with a 5-element binary code, how many bits of information are required to transmit the signal?
Last Answer : 28. 50.
Description : Communication satellites are used to: (1) To transmit communication signals (2) To receive and redirect communication signals (3) To only receive communication signal (4) To provide information of national sources only
Last Answer : To receive and redirect communication signals
Description : The signal which has infinitely many levels of intensity over a period of time is called ……… A. digital signal B. analog signal C. both a and b D. sound signal
Last Answer : A. digital signal
Description : Turning up the transmit power, or utilizing a high-gain antenna to reach wireless users from a distance, increases your exposure to ______________________.?
Last Answer : Turning up the transmitter power is a good way to insure that more cellphones, farther away, can hear the base station. But it doesn't to anything to help the base station hear the cellphones that ... narrower beam-width. So it works farther out, but only through a narrower 'window' of directions.
Description : Does glucose solution transmit electricity ?
Last Answer : Glucose does not break down into ions in solution , so glucose does not conduct electricity in solution.
Description : In a circuit breaker the basic problem is to (a) maintain the arc (b) extinguish the arc (c) transmit large power (d) emit the ionizing electrons
Last Answer : (c) transmit large power
Description : Stars twinkle but planets do not twinkle because - (1) they emit light of a constant intensity (2) their distance from the earth does not change with time (3) they are very far away ... and hence we receive a greater amount of light and therefore minor variations in intensity are not noticeable
Last Answer : (4) they are nearer to the earth and hence we receive a greater amount of light and therefore minor variations in intensity are not noticeable Explanation: Eris is the most massive and second-largest ... orbiting the Sun, and the largest known body in the Solar System not visited by a spacecraft.
Description : Stars twinkle but planets do not twinkle because (1) they emit light of a constant intensity (2) their distance from the earth does not change with time (3) they are very far away from ... and hence we receive a greater amount of light and therefore minor variations in intensity are not noticeable
Last Answer : they are nearer to the earth and hence we receive a greater amount of light and therefore minor variations in intensity are not noticeable
Description : Differentiate between long distance wireless media and short distance wireless media. -Technology
Last Answer : Differences between long distance and short distance wireless media are as follows:Long distance wireless mediaShort distance wireless mediaIt supports communication over a long distance, i.e. upto ... distance wireless media.Bluetooth, infrared, wi-fi, WiMAX are short distance wireless media.
Description : __________ transmit signals that carry pictures, data, music and conversations invisibly over long distances and have been the basis for almost all non-written communication and most wireless technologies used by humans today.?
Last Answer : radio waves
Description : An image is 1024∗800 pixels with 3 bytes/pixel. Assume the image is uncompressed. How long does it take to transmit it over a 10-Mbps Ethernet ? (A) 196.6 seconds (B) 19.66 seconds (C) 1.966 seconds (D) 0.1966 seconds
Last Answer : (C) 1.966 seconds
Description : ………… refers to the amount of data that a signal or a circuit can carry. -Technology
Last Answer : Bandwidthrefers to the amount of data that a signal or a circuit can carry.
Description : TCP helps in converting the digital signal to analog signal and vice_versa. -Technology
Last Answer : False The process of converting digital signal into analog signal is called modulation and is done by a modem.
Description : Reduction of signal strength during transmission is called attenuation. -Technology
Last Answer : TrueDuring transmission, the signal strength is reduced, this phenomenon is called attenuation.
Description : Microwave transmits signals through open space like radio signal. -Technology
Last Answer : TrueIt supports long distance communication through space like radio signal
Description : ___________ acts as the nerve centre that sends control signal to all other units. -Technology
Last Answer : Control Unitacts as the nerve centre that sends control signal to all other units.
Description : How to download Signal in PC (Windows 10) -Technology
Last Answer : Download for Windows just click this link
Description : How to use SIGNAL on desktop ??? -Technology
Last Answer : If a person want's to use SIGNAL on his/her deskstop or Laptop they can use the below link to download it https://signal.org/en/download/ But a mandatory thing is that the user should already have the SIGNAL app on his/her mobile
Description : An increase in light intensity produces fast optic switching due to ∙ a. Increase in index of glass ∙ b. Amplification of optical signal ∙ c. High gain ∙ d. Photoconductivity
Last Answer : b. Amplification of optical signal
Description : Can we register and save smell or transmit it in long distances like we can register, save and transmit sounds or videos?
Last Answer : answer:Good luck creating such a device. Would be great.
Description : What is the emission designation of a single sideband reduced carrier signal? A. H3E B. J3E C. R3E D. B8E
Last Answer : C. R3E
Description : With regard to pattern electroretinogram: a. it can be used to estimate the visual acuity b. it is generated by the occipital cortex c. it is reduced in optic nerve diseases d. the signal amplitude is about 10 mV
Last Answer : it is reduced in optic nerve diseases
Description : Want to know how to get rid of piles ? I have been suffering from piles for the last 2 years. Recently I went to a homeopathic doctor and he assured me that the problem will be reduced in 20-25 days and will ... !!! Could it really be that ... so what can I do , please help me with some advice ...
Last Answer : If you take homeopathic medicine then the homeopathic doctor has rightly said that it will take 3/4 months to get better but you need to consult a piles expert 2 years ago. You can stay. Therefore, a piles ... by the piles doctor. So I said take the advice of a piles expert to get a quick solution.
Description : Differentiate LAN, MAN and WAN on the basis of following characteristic: 1. Geographical Area 2. Example 3. Distance 4. Cost 5. Ownership -Technology
Last Answer : Differences between LAN, MAN and WANBasisLANMANWANGeographicalAreaGenerally within a buildingWithin a cityAcross the continentsDistanceUpto 5 kmUpto 160 kmUnlimitedOwnershipPrivatePrivate Private or PublicShared ... than MANExampleNetwork within your schoolCable TV network within a cityInternet
Description : topmargin is used to specify the distance between the top of the document and top of the browser window. -Technology
Last Answer : True topmargin is an attribute of the tag, which is used to specify the distance between the top of the document and top of the browser window.
Description : The….. is an attribute of the < table > tag to set the distance between the cell content and its boundary. -Technology
Last Answer : Thecellpaddingis an attribute of the < table > tag to set the distance between the cell content and its boundary.
Description : The distance between the text and the paper edge is called indent. -Technology
Last Answer : FalseThe distance between the text and the paper edge is called the margin.
Description : what is the distance between the sun and earth ? -Technology
Last Answer : The distance between the Sun and Earth is on an average 150 million square kilometers or more precisely 147.16 million square kilometers. :)
Description : At a distance of 10 meters form a point source, the intensity level is measured to be 70 dB. At what distance form the source well the intensity be 40 dB? How do you solve this?
Last Answer : Going on memory here….3db is half the intensity. The intensity is usually inversely proportional to r squared. The rest is math, so 70–40 is 30 or ten halves.
Description : In case of a beam subjected to pure bending a.107 dynes b.the stress intensity in any fibre is proportional to the distance of the fibre from the neutral axis c.the stress intensity in any fibre is ... d.the stress intensity in any fibre is uniform e.the nature of stress in any fibre is identical
Last Answer : b. the stress intensity in any fibre is proportional to the distance of the fibre from the neutral axis
Description : Calculate the illuminance at a surface distance 0.5m from a ligth source of luminous intensity 200 cd, assuming normal incidence. If the area of the s
Last Answer : Calculate the illuminance at a surface distance 0.5m from a ligth source of luminous intensity 200 cd, ... , what is the luminous flux on this area ?
Description : At what distance form a light source of 64 cd, will the intensity of illumination because 4 flux ?
Last Answer : At what distance form a light source of 64 cd, will the intensity of illumination because 4 flux ?
Description : Calculate the intensity of illumination at a distance of 0.5m from a source of light of power 200 candela assuming normal incidence.
Last Answer : Calculate the intensity of illumination at a distance of 0.5m from a source of light of power 200 candela assuming normal incidence.
Description : Ondometer is a - (1) Measuring instrument for distance covered by motor wheels (2) Measuring instrument for frequency of electromagnetic waves (3) Device for measuring sound intensity (4) Measuring instrument for electric power
Last Answer : (2) Measuring instrument for frequency of electromagnetic waves
Description : A light year is a unit of – (1) time (2) distance (3) speed of light (4) intensity of light
Last Answer : (2) distance Explanation: As defined by the International. Astronomical Union (IAU), a light-year is the distance that light travels in a vacuum in one Julian year. It is a measure of distance (rather than, as is sometimes misunderstood, a measure of time).
Description : Light year is a unit of - (1) time (2) distance (3) light (4) intensity of light
Last Answer : (2) distance Explanation: A light-year is a unit of distance. It is the distance that light can travel in one year. Light moves at a velocity of about 300,000 kilometers (km) each second.
Description : What is affected by the distance between the listener and the source of the sound because the intensity varies inversely with the square of the distance? A. Volume B. Pitch C. Loudness D. Frequency
Last Answer : C. Loudness
Description : The sound intensity received from the nearby jet plane is 12.6 µW/m2 and that from another jet plane some distance away is 0.45 µW/m2 . Find the relative loudness of the two. A. 14.0 dB B. 14.5dB C. 12.5 D. 14.5
Last Answer : B. 14.5dB
Description : ECE Board Exam March 1996 A car horn outdoors produces a sound intensity level of 90 dB at 10 ft away. At this distance, what is the sound power in watt? A. 12 W B. 0.12 W C. 0.012 W D. 1.2 W
Last Answer : C. 0.012 W
Description : The field intensity of a charge defines the impact of the charge on a test charge placed at a distance. It is maximum at d = 0cm and minimises as d increases. State True/False a) True b) False
Last Answer : a) True