Visible light Microwaves Х-гаys Radio waves Infra Red Gamma rays Ultraviolet
Q: What is the wavelength of light waves if their frequency is 5x1014 Hz? O 6 mm O 0.06 mm O 0.6 m 0.6…
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Q: Qi- Determine whether or not each of the following signals is periodic. If a signal is periodic,…
A: Given signal is discrete and continue. Determine whether or not of the given signal periodic or…
Q: Radar waves with 3.4 cm wavelength are sent out from a transmitter. Their speed is 3.00 x 10 m/s.…
A: In this question, Find the frequency of the radar wave if Wavelength λ = 3.4cm = 0.034m Speed v= 3×…
Q: A beam of Visible light with a frequency of 5.0E+14 Hz and intensity of 0.0081 W strikes a solar…
A: Since from the plancks relationship We know that Energy of photon E=hf here h is plancks constant…
Q: The electric field of E = axcos(10?t + 5 Z) + ay 3sin(10’t + 5 Z) v/m is propagating in a media…
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Q: Find the lag length of a laser wave with a wavelength of 1 um and a transition life between its two…
A: Given, a laser wave with Wavelength of 1 μm Transition life between its two plane, tc=1 nanosecond=…
Q: Identify the band of each of the following frequencies ( eg. LF, VHF, UHF, etc) a. 10MHZ b. 2.45 GHz…
A: The given frequencies comes under following category a) 10 MHz : HF (High Frequency) b) 2.45 GHz :…
Q: The frequency of an electromagnetic wave with a wavelength 2.75 × 10-8 m None of these 9.17 x 1015…
A: In this question we need to find a frequency of an electromagnetic waves
Q: M(t) 2 Cos4000 Tit + 5cosG000 Tt cre) = 100cos27fet 10ocoS2fet where fc=50kHz Determine and Sketch…
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Q: A radio wave is propagating at a frequency of 0.5MHZ in a medium (o = 3*10' S/m , Er = Ur =1).The…
A: Given f = 0.5 M Hz. ur = €r = 1 Conductivity = 3× 10^7 S/m For this question first of all we…
Q: • Drill Problem 1.6 What is the average power of the triangular wave shown in Fig. 1.14? 0.1 0.2 0.3…
A: Given Peak value of the wave is 1 Time period = 0.2 second
Q: A microwave oven operates at ............. GHz frequency
A: As name suggests micro wave operares at microwave frequency i.e. 1GHZ to 1000GHZ
Q: The power radiated by an AM transmitter for 100% modulation is 900 W. Find the power radiated by the…
A: Given, For 100% modulation, μ1=1 Total radiated power, Pt1=900 W For 70.7 % modulation, μ2=0.707 The…
Q: The frequency of an electromagnetic wave in free space with a wavelength 2.75 x 108 m None of these…
A: Given that Electro magnetic wave wavelength = 2.75*10-8 m
Q: Spectral Analysis Using the examples of various EEG signals, draw a qualitative spectral analysis of…
A: ECG signal- The ECG signal is the representation of the electrical heart activity in form of waves.…
Q: What is the frequency of the EM wave with a wavelength of 12cm? O 250MHZ O 0.25Mhz O 2.5Ghz O 2.4Ghz
A: Frequency and wavelength are inversely proportional to each other Lambda = C/ F C = speed of…
Q: Radio signal from a radio station is transmitted by a wave of Student No (Last Digit) 0 & 9 Wave…
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Q: Identify the electromagnetic waves ranging in frequencies between 300GHz and 400THZ. a. High…
A: In this question , we will find given range of frequency in EM wave...
Q: The frequency range from 88 MHz to 108 MHz is used for Mobile communication AM broadcasting FM…
A: Each of the given options uses different frequency band for the operation.
Q: Increasing the efficiency of power transmission through the antenna can be controlled by making the…
A: The solution is given below
Q: nse. Quèstion 1 A radio wave is propagating at a frequency of 0.5MHZ in a medium (o = 3*10 S/m & =…
A: Given- Frequency=0.5 ×107 Hzσ=3×106 S/mεr=μr=1 We know, Propogation phase cosntant,β=ωμε21+σεω2+1
Q: A certain antenna with an efficiency of 95% has maximum radiation intensity of0.5 W/sr. Calculate…
A: In an antenna array, a group of radiating element produce radiation in one direction. Its radiation…
Q: A FM wave is represented by the following equation: v = 10 sin [5 x 108 t + 4 sin 1250 t] Determine…
A: Modulation is process by which some properties of carrier signal is varied according to modulating…
Q: Determine the amplitude of the carrier when mf = 1.5 for a total voltage of 8 V.
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Q: 1. A radio signal moves from air to glass. The angle of incidence is 200. Calculate the angle of…
A: The relation between the angle of incidence and angle of refraction is obtained from snell's law.…
Q: The distance between two corresponding parts of a wave is the wave's speed. wavelength. amplitude.…
A: Given Distance between two corresponding part of wave is......
Q: If the modulation index of an AM wave is doubled, the antenna current is doubled, the AM system…
A: If the modulation index of an AM wave is doubled, the antenna currentis doubled, the AM system being…
Q: Candela is a unit of Luminous intensity Luminous Flux Wavelength Frequency Light
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Q: Determine the polarization state of a plane EM wave with electric field E = 3 sin (@t – ßz +30°) ax…
A: Given data E=3sinωt-βz+30°ax+4cosωt-βz+45°ay Calculating polarization state of a plane EM wave with…
Q: Angle Modulation Drill problems 1. Given an FM wave with a voltage equation, egar(t)=12 sin [2T…
A: We are authorized to answer three subparts at a time, since you have not mentioned which part you…
Q: Quèstion 8 The frequency of an electromagnetic wave in free space with a wavelength 2.75 x 10 8 1.1…
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Q: Draw the spectrum for the following signal. The vertical axis should show the amplitude in Volt and…
A: The signals are continuous and discrete time . The signals can also be periodic and aperiodic.…
Q: 1.52. Show that if x[n] is periodic with period N, then no +N (b) E xIk] = 2 x1k] n+N (a) 2 x1k] =…
A: Given x(n) is a periodic with period N i.e x(n+N)=x(n)
Q: 1. (a) Determine the power of the following signals i) 10 sin?(100rt +), ii) 5 cos² (50nt +) (b)…
A: Explanation: a) Power of any periodic signal x(t) is 1T∫-T/2T/2[x(t)]2dt i) Therefore, for the first…
Q: A certain antenna with an efficiency of 95% has maximum radiation intensity of0.5 W/sr. Calculate…
A: In Antenna Array the group of radiating element produce radiation in one direction. . Its radiation…
Q: Is x[n] = ein21/3+ein374 periodic? If it is periodic, what's its fundamental period?
A: Given Discrete time signal x[n]=ejn2π3+ejn3π4
Q: Which of the following propagation is not generally useful? a. sporadic - E O b. space wave O c. sky…
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Q: What is the wavelength of an ac wave whose frequency is (a) Hz, (b) 1 kHz, (c) 30 kHz, and (d)…
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Q: What is the wavelength of the electromagnetic wave emitted by the oscillator- antenna system of an…
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Q: The frequency of an electromagnetic wave in free space with a wavelength 2.75 x 10 8 m None of these…
A: We need to find out frequency for given wavelength .
Q: An EM wave progating in a certain medium is described by E = 71.5 sin(4384.9 x 10°t - 14.9x)a, V/m…
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Q: A certain antenna with an efficiency of 95% has maximum radiation intensity of 0.5 W/sr. Calculate…
A: In Antenna Array the group of radiating element produce radiation in one direction. . Its radiation…
Q: Q1:- An AM wave, calculate the power saving when the carrier and one sideband are suppressed…
A: Given: In an AM wave, the carrier and one side band are suppressed.
Q: What is the speed of a sound wave if the if it has a wavelength of 0.5 m and a frequency of 660 Hz?…
A: The mechanical vibration arises in the form of sound and propagates in the solid, liquid, and…
Q: If the Microwave Wave length is 3mm ,the corresponding frequency is 200GHZ 10 MHz 100 GHZ 30 MHZ
A: we know that frequency(f): speed of light(c)wavelength( λ )given that : wavelength( λ )=3mm or…
Q: What is the frequency of the EM wave with a wavelength of 15cm? 20Ghz 200Mhz 0.2Mhz O2Ghz
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Q: A wave on a certain guitar string travels at a speed of 200m/s. Calculate the wavelength of an "A"…
A: The solution is given below
Q: H(s) = s + 1/(s+4)^2 derive the spectrum of H(jw)
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Q: Local AM broadcasting uses waves. a. surface O b. direct c. sky d. space
A: Which waves used in the Local AM broadcasting?
Q: Armstrong's indirect method is used to obtain: 1. FM signal 2. PM signal 3. DM signa
A: The solution is provided in the following section:
The electromagnetic wave used in Thermal imaging is Answer
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- The value of armature current in the waveform is 12 A, a = 52 degrees, and ß = 154 degrees. The RMS value of current is Ia a+T B+TT a 4.62 68.38 O 9.03 O 2.61In the case of wave winding, each-4 coil will have fewer turns ( _emf) of thicker wire (higher current) a) higher, O b)zero O c)lower OFor the Photoflash unit. Vse 9V. RISKO C-1500 uf. R2= 120. The average power dissipated by the lamp is High voltage de supply 6.75W 8.3W 0.675W 10W 0.6W The mutual inductance sign for the following circuit is 352 www Negative R₂ Positive 2 mH 3 mH ell 5 mH www 10 Ω
- Determine the symmetrical components of the three currents Ia = 10cis0, Ib = 10cis230, Ic = 10cis130 A.What is the conductance of the z = 5+j90 ?The distance of the first voltage maximum from the load is 2.3cm. The distance of the fifth current minimum of the load is 40cm Find the length of the wave. Select one: О a.9.425ст O b. 4.7125cm c. Can not be determined. O d. 25ст O e. 18.85cm O f. 37.7cm
- calculate the magnitude of the current through the j3.3k ohm inductor. jl k2 1.2 k2 -j4.7 k2 j2.2 k2 8j3.3 k2 20 V/15° 50 V/60° Figure 24-27 ll llye A:011 %AY l. 3G b)zero c)lower In the case of wave winding, the-5 number of paths are equal a) number of poles b) 2 O c)number of coils O صفحة 3 من 3 إرسال رجوع عدم إرسال كلمات المرور عبر نماذج Go ogle مطلقا. تم إنشاء هذا النموذج داخل University. of Anbarالإبلاغ عن إساءة الاستخدام Google zilaiGiven the Figure 3 as shown below, determine: R a) Draw the Phasor diagram in terms of: 250 2 1. Voltage phasor 2. Impedance phasor 120 V 60 Hz L 650 mH b) Instantaneous e and i equations. c) Draw the waveforms showing e and i sine waves. 1.5 uF Figure 3 ell
- Una taza de café se calienta hasta alcanzar una temperatura de 80 0C. Enseguida se expone al medio ambiente que se encuentra a una temperatura de 20 0C. Sabemos que la rapidez con la que cambia la temperatura del cuerpo se modela con la ecuación dT =-.056(T-20) T(0)=80 dt donde T(t) es la temperatura del cuerpo en el tiempo t y t se mide en minutos. a) Determina la temperatura de la taza de café a los 10 minutos. b) ¿Cuál es la temperatura de la taza de café a largo plazo?find the instantane ous expressions or the applied voltage V, voltage voltage figure. Als draw across resistos Vp and across aeross capaciter the phaser diengram. Vc in Ve R= 62 iz1o 5z sin (6250t)What is the angle of IT when PF=0.68 lagging?