Q3/ Answer with true or false and correct the error if it is found in the following sentences: 1) The cathode ray tube is the heart of oscilloscope responsible for generating and accelerating the electron beam at a low velocity and deflection to form an image. 2) The deflection sensitivity of the cathode ray tube (CRT) depends on the acceleration voltage after the deflection plates, not depends on the acceleration voltage before the deflection plates. 3) Since the average vahue and the peak value are directly related to their time duration, the duty cycle can be defined in terms of the pulse-width and the period or pulse repetition time. 4) Function generator is a versatile instrument that delivers a choice of different waveforms whose levels are adjustable over a wide range.

Q3/ Answer with true or false and correct the error if it is found in the following sentences: 1) The cathode ray tube is the heart of oscilloscope responsible for generating and accelerating the electron beam at a low velocity and deflection to form an image. 2) The deflection sensitivity of the cathode ray tube (CRT) depends on the acceleration voltage after the deflection plates, not depends on the acceleration voltage before the deflection plates. 3) Since the average vahue and the peak value are directly related to their time duration, the duty cycle can be defined in terms of the pulse-width and the period or pulse repetition time. 4) Function generator is a versatile instrument that delivers a choice of different waveforms whose levels are adjustable over a wide range.

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Concept explainers

Relativistic Energy and Momentum

According to classical physics, time flow is the same for every observer. But according to einstein's theory, time flow is different for different observers. The idea that time flow is not the same for all may sound strange because we may not experience this effect in everyday life. This effect is only observed when an object moves with some velocity comparable to the velocity of light. This velocity is termed relativistic velocity.

Question

Q3/ Answer with true or false and correct the error if it is found in the following sentences:
1) The cathode ray tube is the heart of oscilloscope responsible for generating and accelerating the
electron beam at a low velocity and deflection to form an image.
2) The deflection sensitivity of the cathode ray tube (CRT) depends on the acceleration voltage after
the deflection plates, not depends on the acceleration voltage before the deflection plates.
3) Since the average vahue and the peak value are directly related to their time dđuration, the duty cycle
can be defined in terms of the pulse-width and the period or pulse repetition time.
4) Function generator is a versatile instrument that delivers a choice of different waveforms whose
levels are adjustable over a wide range.
5) Vector voltmeter measure the amplitude of a signal at two points in a circuit and simultaneously
measure the difference the voltage these between the two points.

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A cyclotron is a machine that can be used to accelerate charged particles to achieve large kinetic energies. The resulting beams of highly energetic particles then can be used for many medical applications, including Proton Therapy (a more precise form of "radiation" used in the treatment of some cancers). Electric field between the dees Dees B South pole of magnet North pole of magnet High-frequency alternating voltage -Source of protons -Particle path A description of the cyclotron can be found in section 19.3 of the text. If a proton (of mass 1.673x10-27 kg) is accelerated to its maximum velocity inside a dee with radius 4.52cm (this is the radius you would use for the "r" term in the centripetal acceleration), and if the magnetic field has a magnitude of 1.31x10-²T, what is the resulting velocity of the proton in units of km/s (kilometer per second)?
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J. J. Thomson is best known for his discoveries about the nature of cathode rays. His other important contribution was the invention, together with one of his students, of the mass spectrometer, a device that measures the ratio of mass m to (positive) charge q of an ion. The spectrometer consists of two regions as shown in the figure. (Figure 1) In the first region an electric field accelerates the ion and in the second the ion follows a circular arc in a magnetic field. The radius of curvature of the arc can be measured and then the m/q ratio can be Figure V B • Part A Find the ratio m/q for this particle. Express your answer numerically in kilograms per coulomb. View Available Hint(s) After being accelerated to a speed of 1.21x105 m/s, the particle enters a uniform magnetic field of strength 0.700 T and travels in a circle of radius 35.0 cm (determined by observing where it hits the screen as shown in the figure). The results of this experiment allow one to find m/q. m/q= Submit…
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