Q. Time require by the signal to reach 63% of amplitude is known as _____________

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Q. What do you mean by duty cycle?

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Q. What is the use of PWM technology?

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Q. When interpolation techniques are used?

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Q. Measuring range is not an important parameter in TIM.

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Q. TDC devices are used for ________________

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Q. Start and stop pulses are produced by ______________

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Q. In a time interval measuring device, two pulses are used ______________

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Q. What will be the frequency of the signal A sin (4πt+ɸ)?

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Q. Which of the following range represents frequency range of rainbow colors?

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Q. In a dispersive medium, speed of light depends on frequency.

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Q. Which of the following is the correct relationship between speed of light in vacuum and frequency of light?

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Q. Which of the following frequency range represents an audible frequency range of humans?

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Q. All waves in electromagnetic spectrum has the same speed in vacuum.

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Q. Which of the following device can be used for measurement of frequency?

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Q. What will be the frequency of a system in which 35 events occur in 7 seconds?

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Q. Which of the following represents the correct relationship between frequency and angular frequency?

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Q. Which of the following cannot be used as a unit for frequency?

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Q. What is the relation for phase angle (in degree) of a signal with time delay Δt and frequency f?

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Q. Which of the following is the expression of power factor?

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