When a sine wave has a frequency of 100 Hz in 12 s it goes through?
A.1/100 cycle
B.12 cycles
C.120 cycles
D.1,200 cycles
Description : A sine wave of 15 kHz is changing at a faster rate than a sine wave with a frequency of? B.12 kHz C.18 kHz D.1.3 MHz
Last Answer : A sine wave of 15 kHz is changing at a faster rate than a sine wave with a frequency of? B.12 kHz C.18 kHz D.1.3 MHz
Description : The average value of a 12 V peak sine wave over one complete cycle is? A.0 V B.1.27 V C.7.64 V D.6.37 V
Last Answer : The average value of a 12 V peak sine wave over one complete cycle is? A.0 V B.1.27 V C.7.64 V D.6.37 V
Last Answer : A sine wave has a frequency of 50 Hz. Its angular frequency is 100 n radian/second.
Description : The equation of 50 Hz current sine wave having r.m.s. value of 60 A is?
Last Answer : (60*√2)Sin(2π*50*t)
Description : If the peak value of a sine wave is 30 V, the rms value is? A.19.08 V B.7.07 V C.0.707 V D.23.10 V
Last Answer : If the peak value of a sine wave is 30 V, the rms value is? A.19.08 V B.7.07 V C.0.707 V D.23.10 V
Description : The agreed standard for measuring loudness is the loudness sensation produced by a 1000 Hz sine wave _____ dB above the listener’s threshold of hearing. A. 80 B. 50 C. 30 D. 40
Last Answer : D. 40
Description : If the phase difference between two points is 120° for a wave with velocity of 360 m/ and frequency 500 Hz, then path difference between the two points is – (1) 1 cm (2) 6 cm (3) 12 cm (4) 24 cm
Last Answer : (4) 24 cm
Description : If the phase difference between two points is 120° for a wave with velocity of 360 m/ and frequency 500 Hz, then path difference between the two points is (1) 1 cm (2) 6 cm (3) 12 cm (4) 24 cm
Last Answer : 24 cm
Description : The input frequency is 50 Hz. The ripple frequency in a 12 phase full wave rectifier is (A) 1200 Hz (B) 600 Hz (C) 100 Hz (D) 50 Hz
Last Answer : The input frequency is 50 Hz. The ripple frequency in a 12 phase full wave rectifier is 1200 Hz
Description : A _________ sine wave is not useful in data communications; we need to send a _______signal. A) composite; single-frequency B) single-frequency; composite C) single-frequency;double-frequency D) none of the above
Last Answer : single-frequency; composite
Description : A sine wave in the ______domain can be representedby onesingle spikein the _____domain. A) time; frequency B) frequency; time C) time; phase D) phase; time
Last Answer : time; frequency
Description : What determines the frequency of a sine wave?
Last Answer : The rate at which the vector which is generating the sine wave is rotating.
Description : (i) Draw the time domain and frequency domain representation of sine wave and triangular wave. (ii) Define frequency and wavelength.
Last Answer : (i)Time domain and frequency domain representation of sine wave time domain and frequency domain representation of triangular wave. ii) Define frequency and wavelength. Frequency ... : Wavelength can be defined as the distance between two successive crests troughs of a wave.
Description : An OP amp has a slew rate of 1V/µs. At a signal frequency of 0.1 MHz, the maximum undistorted sine wave amplitude is (a) 8V (b) 4.82 V (c) 2.02 V (d) 1.592 V
Last Answer : Slew rate = 2πfv where v is the amplitude V=(1/2π*0.1) = 1.592V
Description : A travelling wave passes a point of observation where the time interval between successive crests is 0.2 s. Which of the following is then true? (a) The wavelength is 5 m (b) The wavelength is 0.2 m (c) The velocity of propagation is 5 m/s (d) The frequency of 5 Hz.
Last Answer : Ans:(d)
Description : The frequency of a wave travelling at a speed of 500 ms-1 is 25 Hz. Its time period will be ______. (i) 20 s (ii) 0.05 s (iii) 25 s (iv) 0.04 s
Last Answer : (iv) 0.04 s
Description : Human ear is most sensitive to noise in the following frequency ranges: (A) 1-2 KHz (B) 100-500 Hz (C) 10-12 KHz (D) 13-16 KHz
Last Answer : (A) 1-2 KHz
Description : For a sine wave with peak value Imax the r.m.s. value is?
Last Answer : For a sine wave with peak value Imax the r.m.s. value is 0.707.
Description : What is the speed of the wave if the frequency is 80 Hz and the wavelength is 4m?
Last Answer : The speed of any wave is the product of frequency xwavelength.
Description : What is the energy of a electromagnetic wave with a frequency of 3 x 109 Hz?
Last Answer : 1.99 x 10-24
Description : What is the wavelength of an earthquake wave if it has a speed of 14 kms and a frequency of 10 Hz?
Last Answer : speed = wavelength x frequencywavelength = speed/frequencyspeed = 14 km/s , frequency = 10 Hz = 10/swavelength = (14 km/s)/(10/s) = 1.4 km
Description : What is the energy of an electromagnetic wave with a frequency of 3x10 9 HZ?
Last Answer : Feel Free to Answer
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 : What is the photon energy for an infrared wave with frequency of 1012 Hz? a. 10.6 x 1034 joules b. 6.63 x 10-34 joules c. 6.63 x 10-22 joules d. 10.6 x 1022 joules
Last Answer : c. 6.63 x 10-22 joules
Description : What is the frequency of a 2-cm sound wave in sea water at 25˚C? A. 76 kHz B. 76 Hz C. 76 MHz D. 76 mHz
Last Answer : A. 76 kHz
Description : Pick up the correct statement from the following: (A) Frequency is the number of wave crests passing a fixed point in one second (B) Frequency of a wave is measured in Hertz (Hz) (C) Amplitude of a wave is the height of its crust from the mid-point (D) All of these
Last Answer : Answer: Option D
Description : What is the ripple frequency of a full-wave rectifier with an input frequency of 60 Hz?
Last Answer : 120 hertz.
Description : What is the Ripple frequency of a half-wave rectifier if the input frequency is 60 Hz?
Last Answer : 60 hertz.
Description : What is the photon energy for an infrared wave with frequency of 1012 Hz? ∙ a. 10.6 x 1034 joules ∙ b. 6.63 x 10-34 joules ∙ c. 6.63 x 10-22 joules ∙ d. 10.6 x 1022 joules
Last Answer : ∙ c. 6.63 x 10-22 joules
Description : In a full wave rectifier with input frequency of 50 Hz, the frequency of the output is: (1) 50 Hz (2) 100 Hz (3) 150 Hz (4) 200 Hz
Last Answer : In a full wave rectifier with input frequency of 50 Hz, the frequency of the output is: 100 Hz
Last Answer : If a wave has frequency of 2 Hz, it has a period of 1/2 s.
Description : RF Design Question: 40MHz to 10MHz sine wave?
Last Answer : Is the 40 MHz manufacturered digitally? Do you have access to the clock/driver oscillator? Is everything analog? Can you add a 30 MHz signal and filter out the resulting 10 and 70 Mhz beats? You can synthesize a 10 MHz yourself with either a 555 timer or a Statek chip.
Description : Why is sine wave used more ?
Last Answer : Sine wave is used more because the output of the circuit with sine wave input is better. Calculation of sinusoidal voltage , current etc. is easy. Disruption caused by harmonics is less. Noise of AC circuit with sine wave is less.
Description : Otp shows then disconnect's in zelio sine wave inverter luminous 1600va?
Last Answer : Need Answer
Description : At what phase angle is the voltage momentarily constant in a sine wave?
Last Answer : We often see the peak and trough (maximum positive and maximumnegative excursions) of the sine wave considered as points ofmomentarily constant voltage. Those points are at phase angles of90 degrees and at 270 degrees.
Description : What is The time it takes for a sine wave to complete one cycle is called?
Description : Should I Buy a Modified or Pure Sine Wave Inverter?
Last Answer : Many people are unsure of the differences between a modified or pure sine wave inverter. Think of a modified sine wave inverter as a set of stairs. You will get power in blocks and there will be times ... to draw a lot of power should always be run on a sine wave inverter for consistency and safety.
Description : The RMS value of a sine-wave current may also be expressed as the _____________. A. average value B. maximum value C. effective value D. instantaneous value
Description : A modulation which does not follow the sine wave pattern, it produces undesirable harmonics such as spurious emission A. 0% modulated B. Over-modulated C. Unmodulated D. 100% modulated
Last Answer : B. Over-modulated
Description : Graph of alternating current is a A. cos wave B. tan wave C. curve D. sine wave
Last Answer : sine wave
Description : If the maximum amplitude of a sine wave is 2 V, the minimum amplitude is________ V. A) 2 B) 1 C) -2 D) between -2 and 2
Last Answer : -2
Description : A sine wave is ______ A) periodic and continuous B) aperiodicand continuous C) periodicand discrete D) aperiodicand discrete
Last Answer : periodic and continuous
Description : When sine wave is given as input to Schmitt trigger then its generates a) Sine wave b) Saw tooth wave c) Triangle wave d) Square wave
Last Answer : Ans: Square wave
Description : Can a pure sine wave be integrated? Why?
Last Answer : A pure sine wave cannot be integrated; it contains no harmonics.
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 : 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 : Name a disadvantage of sine-wave oscillator synchronizers.
Last Answer : It requires additional shaping circuits.
Last Answer : . It requires additional shaping circuits.