Vacuum tubes are designed to operate in what portion of the Ep - Ip

1 Answer

Answer :

The linear portion.

Related questions

Description : How did vacuum tubes cause a problem for first generation computers

Last Answer : They were unreliable, required a lot of power to run, and produced so much heat that air conditioning was needed to protect computer parts.

Description : In electronic computers, vacuum tubes were replaced by transistors and transistors have been replaced by what device?

Last Answer : Integrated circuits.

Description : When designing vacuum-tube circuits, what characteristics of tubes must be taken into consideration?

Last Answer : Differences in performance of tubes of the same type

Description : Does anybody make vacuum tubes anymore? All I ever find are surplus.

Last Answer : answer:Without details as to type, there are over 39,000 currently listed on eBay. I’d say they’re still manufactured since there’s also availability on Amazon.

Description : Why vacuum tubes are not preferred at microwave?

Last Answer : Actually three special purpose vacuum tubes were specifically designed for microwave usage and are in some cases still the least expensive way to work with high power microwave signals.These ... and the electromagnetic compatibility (EMC) testing industry for immunity testing of electronic devices)

Description : Which of the following is not a feature of first generation computers A) They used vacuum tubes or valves as main electronic component B) They consumed lots of electricity and produced excessive heat C) They used machine language and assembly language to program the machine D) None of above

Last Answer : Answer : C

Description : First generation computers used for memory A) vacuum tubes B) silicon chips C) magnetic drum D) RAM

Last Answer : Answer : C

Description : Which electronic component was made out of semiconductor material? A) Vacuum tubes B) Transistors C) ICs D) All of above

Last Answer : Answer : C

Description : Who invented vacuum tubes? A) John Bardeen B) William Shockley C) Lee de Forest D) All of above

Last Answer : Answer : C

Description : What was the main disadvantage of vacuum tubes? A) They were larger in size B) They consumed a lot of electricity C) They produced heat and often burned out D) The operation cost was high

Last Answer : Answer : C

Description : Why are vacuum tubes also called valves? A) Because they can amplify the weak signals and make them strong B) Because they can stop or allow the flow of current C) Both of above D) None of above

Last Answer : Answer : B

Description : The main electronic component used in first generation computers was A) Transistors B) Vacuum Tubes and Valves C) Integrated Circuits D) None of above

Last Answer : Answer : B

Description : Chief component of first generation computer was A) Transistors B) Vacuum Tubes and Valves C) Integrated Circuits D) None of above

Last Answer : Answer : B

Description : First Generation computers used ______ for Circuitry and ________ for memory (A) Transistor and Magnetic Core (B) IC and Magnetic Memory (C) Vacuum tubes and Magnetic drum (D) IC and Magnetic Core

Last Answer : (C) Vacuum tubes and Magnetic drum

Description : Which of the following statements comparing transistors and vacuum tubes is correct? A. Both transistors and vacuum tubes have a cathode that must be heated to give off electrons. B. A vacuum tube must ... flow. D. The anode of both transistors and vacuum tubes must be heated to give off electrons.

Last Answer : Answer: B

Description : Heat sinks are frequently used with _____________. A. power transistors B. vacuum tubes C. tunnel rectifier diodes D. all of the above

Last Answer : Answer: A

Description : The method used to produce electron emission in most vacuum tubes is known as ____________. A. photoelectric emission B. secondary electric emission C. cold cathodic electric emission D. thermionic emission

Last Answer : Answer: D

Description : The HPAs in most satellite are A. TWTs B. Klystrons C. Vacuum tubes D. Magnetrons

Last Answer : A. TWTs

Description : Vacuum tubes have been replaced by-----? A. Conductors B. Diodes C. Transistors (Answer) D. None of these

Last Answer : C. Transistors (Answer)

Description : Pick out the wrong statement. (A) The value of hydrostatic head increases with increase in vacuum in the effect in a multiple effect evaporator system (B) Entering velocity of the liquid in ... a multiple effect evaporation system, the number of effects is limited by the total boiling point rise

Last Answer : (C) Duhring's plot is used for calculating the concentration of solution

Description : Chief component of first generation computer was a. Transistors b. Vacuum Tubes and Valves c. Integrated Circuits d. None of above

Last Answer : Vacuum Tubes and Valves

Description : This invention replaced vacuum tubes and made computers much smaller and faster. However, it was eventually replaced by another invention (i) RAM (ii) ENIAC (iii) Transformer (iv) Transistor.

Last Answer : (iv) Transistor.

Description : First generation computer systems used 1) Transistors 2) Vacuum tubes 3) Magnetic cores 4) Silicon chips

Last Answer : 2) Vacuum tubes

Description : Which electronic component was use in first generation? 1) Vacuum tubes 2) transistors 3) IC chips 4) all above

Last Answer : 1) Vacuum tubes

Description : Which electronic component was use in first generation? 1 Vacuum tubes 2 transistors 3 IC chips 4 all above

Last Answer : 1 Vacuum tubes

Description : Chief component of first generation computer was a. Transistors b. Vacuum Tubes and Valves c. Integrated Circuits d. None of above

Last Answer : b. Vacuum Tubes and Valves

Description : Chief component of first generation computer was a. Transistors b. Vacuum Tubes and Valves c. Integrated Circuits d. None of above

Last Answer : b. Vacuum Tubes and Valves

Description : Fifth generation computers do not have : (1) Speech recognition (2) Artificial intelligence (3) Very large scale integration (4) Vacuum tubes 

Last Answer : Vacuum tubes

Description : is Ohms law applicable to vacuum tubes?

Last Answer : Ohm's law is not applicable to vacuum tubes.

Description : What is portion of our planet in which ecosystems operate is known as the what?

Last Answer : Need answer

Description : Which of the following technique isused for encapsulation? A. a technique used inbest-effort delivery systems toavoid endlessly loopingpackets. B. a technique used by protocols in which a lower level ... network that cannothandle the originaldatagram size D. All of theabove E. None of the above

Last Answer : a technique used by protocols in which a lower level protocol accepts a message from ahigher level protocol and places it in the data portion of the low level frame

Description : Which of the following technique isused for fragment? A. a technique used inbest-effort delivery systems toavoid endlessly loopingpackets B. a technique used by protocols in which a lower level protocol ... network that cannothandle the originaldatagram size D. All of theabove E. None of the above

Last Answer : one of the pieces that results when an IP gateway divides an IP datagram into smallerpieces for transmission acrossa network that cannothandle the originaldatagram size

Description : address use 7 bits for the and 24 bits for the portion of the IP a. address. b. Class A c. Class B d. Class C e. Class D

Last Answer : a. address.

Description : In the early stages of development of the internet protocol, network administrators interpreted an IP address in ____parts: a) Network Number Portion b) Host Number Portions c) Both of Above d) None of These

Last Answer : c) Both of Above

Description : In the early stages of development of the internet protocol, network administrators interpreted an IP address in ____parts: a) Network Number Portion b) Host Number Portions c) Both of Above d) None of These

Last Answer : c) Both of Above

Description : The combination of ……………. And ………….. is often termed the local address of the local portion of the IP address. A) Network number and host number B) Network number and subnet number C) Subnet number and host number D) All of the above

Last Answer : C) Subnet number and host number

Description : The combination of ........... and ............ is often termed the local address or the local portion of the IP Address. A) Network number and host number B) Network number and subnet number C) Subnet number and host number.

Last Answer : C) Subnet number and host number.

Description : .................. address use 7 bits for the and 24 bits for the portion of the IP address. A) Class A B) Class B C) Class C D) Class D

Last Answer : A) Class A

Description : The combination of ........... and ............. is often termed the local address or the local portion of the IP Address. A) Network number and host number B) Network number and subnet number C) Subnet number and host number. D) All of the above

Last Answer : C) Subnet number and host number.

Description : 2.address use 7 bits for the and 24 bits for the portion of the IP address. A) Class A B) Class B C) Class C D) Class D

Last Answer : A) Class A

Description : Cold-cathode tubes can be used as voltage regulators because of what characteristic?

Last Answer : They have the ability to maintain a constant voltage drop across the tube despite changes in current flow.

Description : Once ionization has occurred in a thyratron, what control does the control grid have over the tube’s operation?

Last Answer : None.

Description : What are two advantages that gas-filled tubes have over conventional electron tubes?

Last Answer : a. They can carry more current. b. They maintain a constant IR drop across the tube

Description : Why can acorn and doorknob tubes NOT handle large amounts of power?

Last Answer : The close spacing of tube elements allows for the ready formation of arcs or short circuits.

Description : How do uhf tubes counter the effects of transit time?

Last Answer : By reducing the spacing between tube elements.

Description : Beam-forming tubes and power tubes are similar except that power pentodes lack what element?

Last Answer : Beam-forming plates.

Description : During which of the transmit or receive cycles are both the tr and atr tubes of a parallelconnected duplexer ionized (arcing)?

Last Answer : Transmit.

Description : Normally, how are high-power rf tubes tested?

Last Answer : In their circuit.

Description : Tabular bowl centrifuges as compared to disk bowl centrifuges (A) Operate at higher speed (B) Employ bowl of larger diameter (C) Can’t be operated under pressure/vacuum (D) Can’t be used for separation of fine suspended solids from a liquid

Last Answer : (A) Operate at higher speed

Description : The capacity of double-effect evaporator is less than half of the capacity of two single effects, each of which is operating over same terminal temperature difference, when the (A) Solution has ... B) Evaporators operate under vacuum (C) Evaporators operate at atmospheric pressure (D) None of these

Last Answer : (A) Solution has an elevation of boiling point