A magnetron will produce oscillations when the electrons  follow what type of path?

1 Answer

Answer :

Circular.

Related questions

Description : What starts the oscillations in a negative-resistance magnetron?

Last Answer : The application of the proper magnetic field.

Description : What element in the magnetron causes the curved path of electron flow?

Last Answer : The permanent magnet.

Description : What are the electrons called that give up energy to the ac field in a magnetron?

Last Answer : Working electrons.

Description : Capacitive tuning by inserting a ring into the cavity slot of a magnetron is accomplished by what type of tuning mechanism?

Last Answer : . A cookie-cutter tuner

Description : Magnetron tuning by altering the surface-to-volume ratio of the hole portion of a hole-and-slot cavity is what type of tuning?

Last Answer : Inductive.

Description : What method is used to prevent oscillations in large synchro units?

Last Answer : Mechanical damping.

Description : What are the three requirements necessary for oscillations to exist in a circuit?

Last Answer : Amplification, regenerative feedback, and frequency-determining device.

Description : What is the typical frequency range about the center frequency of a tunable magnetron?

Last Answer : . ±5 percent.

Description : What is the effect on magnetron operation if the magnetic field strength is too high?

Last Answer : The magnetron will not oscillate.

Description : What is the frequency range of magnetron oscillators?

Last Answer : 600-30,000 megahertz.

Description : What is the typical frequency range about the center frequency of a tunable magnetron?

Last Answer : ±5 percent.

Description : What is the effect on magnetron operation if the magnetic field strength is too high?

Last Answer : The magnetron will not oscillate.

Description : What is the frequency range of magnetron oscillators?

Last Answer : . 600-30,000 megahertz.

Description : Name the procedure used to reduce excessive arcing in a magnetron?

Last Answer : Baking in.

Description : Why is the pi mode the most commonly used magnetron mode of operation

Last Answer : Greater power output.

Description : Why is the negative-resistance magnetron often operated with reduced filament voltage?

Last Answer : To reduce the effects of filament bombardment.

Description : What is the primary difference in construction between the basic magnetron and the negativeresistance magnetron?

Last Answer : The negative-resistance magnetron has a split plate

Description : What controls the output frequency of a magnetron?

Last Answer : . The resonant cavities.

Description : A cylindrical copper block with resonant cavities around the circumference is used as what component of a magnetron?

Last Answer : Anode or plate

Description : What serves as a grid in a magnetron?

Last Answer : A magnetic field.

Description : Who discovers neutrino oscillations ?

Last Answer : Neutrino oscillation was discovered by scientist Takaki Kazita.

Description : A student measures time for 20 oscillations of a simple pendulum as 30 s. 32 s, 35 s and 31 s. 1f the minimum division in the measuring clock

Last Answer : A student measures time for 20 oscillations of a simple pendulum as 30 s. 32 s, 35 s and 31 s. 1f the minimum ... 1 (C) 32 2 (D) 32 5

Description : Comparing L-C oscillation with the oscillation if spring-block-system, match the following table. Comparing L-C oscillations with the oscillations of

Last Answer : Comparing L-C oscillation with the oscillation if spring-block-system, match the following table. Comparing L-C ... ,x),(,,,(T),"None"):}`

Description : What are the conditions for oscillations?

Last Answer : There are three conditions. These include positive feedback, thephase near the circuit needs to be either 36 or zero degrees, andthe loop gain should be equal or greater than 1.

Description : For short-term climatic predictions, which one of the following events, detected in the last decade, is associated with occasional weak monsoon rains in the Indian subcontinent? [IAS 2002] (a) La Nina ( ... of jet streams (c) El Nino and southern oscillations (d) Green-house effect on global level

Last Answer : Ans: (c)

Description : A control system with excessive noise, is likely to suffer from (a) saturation in amplifying stages (b) loss of gain (c) vibrations (d) oscillations

Last Answer : Ans: A

Description : The second derivative input signals modify which of the following? a) The time constant of the system b) Damping of the system c) The time constant and suppress the oscillations d) The gain of the system

Last Answer : Ans: C

Description : Which of the following phenomena is supposedly associated with global warming? (1) Southern Oscillations (2) El Nino (3) La Nino (4) El Nino Modiki

Last Answer : (4) El Nino Modiki Explanation: El Nino Modiki is associated with global warming.

Description : When no signal is being received, the loudspeaker is not entirely silent as a result of the presence of A. parasitic oscillations in some of the receiver stages. B. negative feedback in each stage. C. spurious frequencies as a result of improper neutralization. D. internal receiver noise.

Last Answer : D. internal receiver noise.

Description : Vibrations in the tubes of a shell and tube heat exchanger is induced due to the (A) Flow of fluid on the tube and shell sides (B) Oscillations in the flow of shell/tube sides fluid (C) Vibrations ... piping and/or supports due to external reasons (D) All (A), (B) and (C)

Last Answer : (D) All (A), (B) and (C)

Description : The rate of decay of oscillations is known as....... A. critical damping B. damping coefficient C. transmissibility D. logarithmic decrement

Last Answer : D. logarithmic decrement

Description : Negative damping leads to a. instability b. fast convergence c. oscillationsNegative damping leads to a. instability b. fast convergence c. oscillations

Last Answer : a. instability

Description : Magnitude of earthquake indicates amount of a) Vibrations per second b) Vibrations per minute c) Oscillations d) Energy released

Last Answer : d) Energy released

Description : During secular variation of magnetic meridian at different places (A) Range of oscillations is constant (B) Period of oscillation is constant (C) Range and period of oscillation both vary (D) Period of oscillation only varies

Last Answer : (C) Range and period of oscillation both vary

Description : What is Gibbs phenomenon? Or what are Gibbs oscillations?

Last Answer : One possible way of finding an FIR filter that approximates H(ejw) would be to truncate the infinite Fourier series at n= + (N-1)/2. Abrupt truncation of the series will lead to oscillation both in pass band and in stop band. This phenomenon is known as Gibbs phenomenon.

Description : For small oscillations, what happens to the period of a simple pendulum when the mass of the pendulum bob is doubled? 

Last Answer : ANSWER: NOTHING or PERIOD IS UNAFFECTED

Description : Which of the following phenomena is supposedly associated with global warming ? (1) Southern Oscillations (2) El Nino (3) La Nino (4) El Nino Modiki

Last Answer : El Nino Modiki

Description : State the Barkhausen criteria of oscillations

Last Answer : Barkhausen's Criteria - To obtain sustain oscillation the loop gain AB = 1 and phase shift of feedback signal should be 00 or 3600 of an amplifier. it is called as barkshausen's ...  Wien bridge oscillator LC Oscillator  Hartley oscilator  Colpitts oscillator  Crystal oscillator

Last Answer : An Oscillator produces Undamped oscillations

Description : Which of the following types of HPA is not used in earth stations? A. TWT B. Transistor C. Klystron D. Magnetron

Last Answer : D. Magnetron

Description : What do you call a circuit that controls the magnetron output? A. Inverter B. Impeller C. Modulator D. Converter

Last Answer : C. Modulator

Description : Low-power radar uses A. RIMPATT B. TRAPATT C. Magnetron D. IMPATT

Last Answer : D. IMPATT

Description : Draw the construction of magnetron and describe it’s working.

Last Answer : Working/Operation: 1. Now assume RF oscillations are initiated due to some noise transient within the magnetron, the oscillations will be sustained by device operation. 2. Self- ... these favored electrons imparts enough energy to the RF oscillations so that they are sustained.  

Description : With neat cross sectional constructional details,write effect of magnetic and electric field in magnetron

Last Answer : 1)When magnetic & electric fields act simultaneously upon the electron,its path can have any of a number of shapes dictated by the resistive strengths of the mutually perpendicular electric & ... happens because in practice the applied magnetic field is greatly in excess of the cutoff field.

Description : A two-cavity klystron without a feedback path will operate as what type of circuit?

Last Answer : Amplifier.

Description : If the velocity of charged particle has both perpendicular and parallel components while moving through a magnetic field ,then what is the path follow

Last Answer : If the velocity of charged particle has both perpendicular and parallel components while moving through a ... B. Ellipatical C. Linear D. Helical

Description : What the farmer should do to follow the noble eightfold path?

Last Answer : Need answer

Description : What describes a path of oxygen that might follow as it cycles?

Last Answer : Feel Free to Answer

Description : Why do rocks not all follow the same path through the rock cycle?

Last Answer : because..... idk that's why i asked you

Description : Why do rocks not all follow the same path through the rock cycle?

Last Answer : because..... idk that's why i asked you