The most commonly used transistor circuit arrangement - - -

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 The most commonly used transistor circuit arrangement Common emitter

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In a logic circuit the NOR and NAND gate functions ____________. A. must be accomplished with a common base transistor arrangement B. are available in diode form C. are exact opposites with the same NOR and NAND inputs D. have output conditions that are exact opposites to the output condition for OR and AND, respectively

Description : In a logic circuit the NOR and NAND gate functions ____________. A. must be accomplished with a common base transistor arrangement B. are available in diode form C. are exact opposites with the ... . have output conditions that are exact opposites to the output condition for OR and AND, respectively

Last Answer : Answer: D

In a logic circuit, the NOT gate function _____________. A. does not alter a logical input B. serves to amplify a given signal level C. must be accomplished with a common collector transistor arrangement D. reverses an input logic condition

Description : In a logic circuit, the NOT gate function _____________. A. does not alter a logical input B. serves to amplify a given signal level C. must be accomplished with a common collector transistor arrangement D. reverses an input logic condition

Last Answer : Answer: D

In the common–emitter transistor circuit, if the current gain is 100 and the collector current is 10 mA, the

Description : In the common–emitter transistor circuit, if the current gain is 100 and the collector current is 10 mA, the base current is: (1) 10 µA (2) 100 µA (3) 1 A (4) 10 A 

Last Answer : In the common–emitter transistor circuit, if the current gain is 100 and the collector current is 10 mA, the base current is: 100 µA

The device that most commonly utilizes the principle of electromagnetic induction is the _____________. A. diode B. transformer C. transistor D. rheostat

Description : The device that most commonly utilizes the principle of electromagnetic induction is the _____________. A. diode B. transformer C. transistor D. rheostat

Last Answer : Answer: B

The set of transistor characteristics which enable α to be determined directly from the slope is

Description : The set of transistor characteristics which enable α to be determined directly from the slope is (a) CB transfer characteristics (b) CE transfer characteristics (c) CB input characteristics (d) CE output characteristics

Last Answer : The common base transfer characteristics

In a transistor Colpitts oscillator, C1 = 0.001 µF, C2 = 0.01 µF and L = 5 µH. The frequency of oscillation in

Description : In a transistor Colpitts oscillator, C1 = 0.001 µF, C2 = 0.01 µF and L = 5 µH. The frequency of oscillation in MHz will be (a) 2.37 MHz (b) 10.00 MHz (c) 11.54 MHz (d) 9.09 MHz 

Last Answer : c

A transistor has a typical value of β = 200 , If the collector current is 15 mA, then base current will be

Description : A transistor has a typical value of β = 200 , If the collector current is 15 mA, then base current will be

Last Answer : A transistor has a typical value of β = 200 , If the collector current is 15 mA, then base current will be 0.075 mA

Beta cut-off frequency of a transistor is the frequency at which the Beta is

Description : Beta cut-off frequency of a transistor is the frequency at which the Beta is • 0.707 of low frequency value • Zero • Equal to low frequency value • None of the above.

Last Answer : Beta cut-off frequency of a transistor is the frequency at which the Beta is 0.707 of low frequency value

If a transistor were operated with emitter and collector interchanged, then

Description : If a transistor were operated with emitter and collector interchanged, then  1 .emitter current will increase  2. Collector current will increase  3. Base current will decrease  4. No current flow will take place 

Last Answer : If a transistor were operated with emitter and collector interchanged, then Collector current will increase 

In a transistor

Description : In a transistor  1. Emitter is heavily doped while the collector is moderately doped 2. Collector base junction is forward biased 3. Emitter is made wider than collector 4. The input resistance is much higher than output resistance 

Last Answer : In a transistor Emitter is heavily doped while the collector is moderately doped

In an npn transistor, _____ are the minority carriers.

Description : In an npn transistor, _____ are the minority carriers.   (a) Free electrons (b) Acceptor ions (c) Donor ions (d) Holes

Last Answer : In an npn transistor, Holes are the minority carriers.

A transistor has ________ number of terminals.

Description : A transistor has ________ number of terminals. (A) 2 (B) 3 (C) 1 (D) 4 

Last Answer : A transistor has 3 number of terminals. 

ICB0 in a transistor can be reduced by reducing:

Description : ICB0 in a transistor can be reduced by reducing:  (1) IB (2) VCC (3) IE (4) Temperature

Last Answer : ICB0 in a transistor can be reduced by reducing: Temperature.

A Transistor has - - - PN junctions

Last Answer : A Transistor has Two PN junctions

Common collector arrangement is generally used - - -

Description : Common collector arrangement is generally used - - -

Last Answer : Common collector arrangement is generally used Impedance matching

The function of Transistor is to do - - -

Last Answer : The function of Transistor is to do Amplification

A FET is a - - - transistor

Last Answer : A FET is a Bi-polar transistor

The encapsulation of transistor is necessary for

Last Answer : The encapsulation of transistor is necessary for mechanical ruggedness.

In a transistor leakage current mainly depends on

Last Answer : In a transistor leakage current mainly depends on temperature.

When a transistor is connected in common emitter mode, it with have

Last Answer : When a transistor is connected in common emitter mode, it with have medium input resistance and high output resistance.

What is the main use of a transistor?

Description : What is the main use of a transistor?

Last Answer : Main use of a transistor as amplifier and as switch.

can transistor amplify dc?

Description : can transistor amplify dc?

Last Answer : No

Which valve is most commonly used for throttling service?

Description : Which valve is most commonly used for throttling service? (A) glove valve (B) needle valve (C) ball valve

Last Answer : Which valve is most commonly used for throttling service?  glove valve

Antenna commonly used for microwave links are

Last Answer : Antenna commonly used for microwave links are Paraboloidal dishes.

What the types of engineering drawings used and how they interrelate (such as isometric and orthographic drawings assembly submersible and general arrangement drawings circuit and wiring diagrams?

Description : What the types of engineering drawings used and how they interrelate (such as isometric and orthographic drawings assembly submersible and general arrangement drawings circuit and wiring diagrams?

Last Answer : Need answer

An integrated circuit is A) A complicated circuit B) An integrating device C) Much costlier than a single transistor D) Fabricated on a tiny silicon chip

Description : An integrated circuit is A) A complicated circuit B) An integrating device C) Much costlier than a single transistor D) Fabricated on a tiny silicon chip

Last Answer : Answer : D

Which one among the following components can not be developed within an "integrated circuit"? (1) Diode (2) Triode (3) Transformer (4) Transistor

Description : Which one among the following components can not be developed within an "integrated circuit"? (1) Diode (2) Triode (3) Transformer (4) Transistor

Last Answer : (3) Transformer Explanation: Some components like transformers and inductors cannot be integrated into an IC except for very specialized high frequency applications. They have to be ... circuit boards as separate components and cannot be integrated into semiconductor based integrated circuits.

In the illustrated circuit, one advantage of the capacitor coupling over direct coupling is ____________. EL-0048 A. as the frequency decreased the capacitive reactance (Xc) increases B. the amplifier becomes more efficient at lower capacitance. C. the arrangement allows the coupling of the signal while it isolates the biasing of each stage. D. good frequency response.

Description : In the illustrated circuit, one advantage of the capacitor coupling over direct coupling is ____________. EL-0048 A. as the frequency decreased the capacitive reactance (Xc) increases B. the amplifier becomes ... of the signal while it isolates the biasing of each stage. D. good frequency response.

Last Answer : Answer: C

When troubleshooting a console circuit card suspected of being faulty, first check operating voltages, clean the card and then _________________. A. make sure wired connections and push-on connectors are tight B. test each resistor and capacitor on the card with an ohmmeter C. check the continuity of all printed circuit traces with an ohmmeter D. measure the gain of each transistor or integrated circuit

Description : When troubleshooting a console circuit card suspected of being faulty, first check operating voltages, clean the card and then _________________. A. make sure wired connections and push-on connectors ... circuit traces with an ohmmeter D. measure the gain of each transistor or integrated circuit

Last Answer : Answer: A

When troubleshooting a console circuit card which is suspected of being faulty, the first step would be to _____. A. pull the card and measure the value of all resistors B. check for the correct value and polarity of all power connections to the card C. de-energize and pull the card to visually inspect for burned components D. check for continuity of circuit board traces and then the gain of each transistor

Description : When troubleshooting a console circuit card which is suspected of being faulty, the first step would be to _____. A. pull the card and measure the value of all resistors B. check for the ... for burned components D. check for continuity of circuit board traces and then the gain of each transistor

Last Answer : Answer: C

Component 'C' in section 'I' shown in the illustration represent ____________. EL-0093 A. a selectable holding coil arrangement B. a 'fuse blown' indicator circuit C. 'reset' and 'trouble' lamps D. a handset with switch and voice elements

Description : Component 'C' in section 'I' shown in the illustration represent ____________. EL-0093 A. a selectable holding coil arrangement B. a 'fuse blown' indicator circuit C. 'reset' and 'trouble' lamps D. a handset with switch and voice elements

Last Answer : Answer: D

Normally, the FIRST step in troubleshooting a transistor circuit card is to _____________. A. carefully remove the transistors from the card B. give the circuit an initial test with a signal generator C. test for continuity with a low voltage DC supply D. visually inspect the card

Description : Normally, the FIRST step in troubleshooting a transistor circuit card is to _____________. A. carefully remove the transistors from the card B. give the circuit an initial test with a signal generator C. test for continuity with a low voltage DC supply D. visually inspect the card

Last Answer : Answer: D

To conduct an in-circuit test of a transistor, you should use a/an ____________. A. voltmeter or transistor tester B. impedance meter C. ohmmeter or transistor tester D. wattmeter

Description : To conduct an in-circuit test of a transistor, you should use a/an ____________. A. voltmeter or transistor tester B. impedance meter C. ohmmeter or transistor tester D. wattmeter

Last Answer : Answer: A

The diagrams shown in the illustration represent a/an _______________. EL-0093 A. engine order telegraph circuit B. rudder angle indicator arrangement C. engine speed tachometer with repeaters D. sound powered telephone system

Description : The diagrams shown in the illustration represent a/an _______________. EL-0093 A. engine order telegraph circuit B. rudder angle indicator arrangement C. engine speed tachometer with repeaters D. sound powered telephone system

Last Answer : Answer: D

Which of the procedures listed could result in damaging a transistor beyond repair? A. Applying incorrect polarity to the collector circuit. B. Applying excessive voltage to the input circuit. C. Careless soldering which would overheat the transistor. D. All of the above.

Description : Which of the procedures listed could result in damaging a transistor beyond repair? A. Applying incorrect polarity to the collector circuit. B. Applying excessive voltage to the input circuit. C. Careless soldering which would overheat the transistor. D. All of the above.

Last Answer : Answer: D

In order to check the performance of a transistor removed from its circuit, the instrument to be used should be a/an ____________. A. voltmeter or transistor tester B. impedance meter C. ohmmeter or transistor tester D. sensitive potentiometer

Description : In order to check the performance of a transistor removed from its circuit, the instrument to be used should be a/an ____________. A. voltmeter or transistor tester B. impedance meter C. ohmmeter or transistor tester D. sensitive potentiometer

Last Answer : Answer: C

When replacing a power transistor fitted with a heat sink in a circuit, a coating of silicone grease is applied between the transistor case and the heat sink. This is done to ____________. A. lubricate the transistor B. lubricate the heat sink C. aid in the removal of the heat sink D. provide maximum heat transfer

Description : When replacing a power transistor fitted with a heat sink in a circuit, a coating of silicone grease is applied between the transistor case and the heat sink. This is done to ____________. A. lubricate ... the heat sink C. aid in the removal of the heat sink D. provide maximum heat transfer

Last Answer : Answer: D

An integrated circuit is a. A complicated circuit b. An integrating device c. Much costlier than a single transistor d. Fabricated on a tiny silicon chip

Description : An integrated circuit is a. A complicated circuit b. An integrating device c. Much costlier than a single transistor d. Fabricated on a tiny silicon chip

Last Answer : Fabricated on a tiny silicon chip

_______is not as fast as SRAM but is cheaper and is used for main memory. Each bit uses a single capacitor and single transistor circuit.: a) DRAM b) SDRAM c) Both of Above d) None of These

Description : _______is not as fast as SRAM but is cheaper and is used for main memory. Each bit uses a single capacitor and single transistor circuit.: a) DRAM b) SDRAM c) Both of Above d) None of These

Last Answer : a) DRAM

Foldback current limiting has the advantage of A) Better pass transistor protection for long term overloads B) A defined turn on point C) Circuit simplicity D) All of the above.

Description : Foldback current limiting has the advantage of A) Better pass transistor protection for long term overloads B) A defined turn on point C) Circuit simplicity D) All of the above.

Last Answer : A) Better pass transistor protection for long term overloads

What method for checking transistors is cumbersome when more than one transistor is bad in a circuit?

Description : What method for checking transistors is cumbersome when more than one transistor is bad in a circuit?

Last Answer : The substitution method.

To what circuit arrangement is a common-base detector equivalent?

Description : To what circuit arrangement is a common-base detector equivalent?

Last Answer : A diode detector followed by a stage of audio amplification.

What simple, one-transistor detector circuit uses the heterodyne principle?

Description : What simple, one-transistor detector circuit uses the heterodyne principle?

Last Answer : Regenerative detector.

An integrated circuit is a. A complicated circuit b. An integrating device c. Much costlier than a single transistor d. Fabricated on a tiny silicon chip

Description : An integrated circuit is a. A complicated circuit b. An integrating device c. Much costlier than a single transistor d. Fabricated on a tiny silicon chip

Last Answer : d. Fabricated on a tiny silicon chip

An integrated circuit is a. A complicated circuit b. An integrating device c. Much costlier than a single transistor d. Fabricated on a tiny silicon chip

Description : An integrated circuit is a. A complicated circuit b. An integrating device c. Much costlier than a single transistor d. Fabricated on a tiny silicon chip

Last Answer : d. Fabricated on a tiny silicon chip

An integrated circuit is a. A complicated circuit b. An integrating device c. Much costlier than a single transistor d. Fabricated on a tiny silicon chip

Description : An integrated circuit is a. A complicated circuit b. An integrating device c. Much costlier than a single transistor d. Fabricated on a tiny silicon chip

Last Answer : d. Fabricated on a tiny silicon chip

Explain the operation of transistor as a switch and as an amplifier, with neat circuit diagrams.

Description : Explain the operation of transistor as a switch and as an amplifier, with neat circuit diagrams. 

Last Answer : Explanation of transistor as a switch: The transistor can be used for two types of application viz. amplification and switching. For the amplification, transistor is biased in its active region. ... results in a large output voltage, which shows that the transistor works as an amplifier.

The common-emitter transistor circuit can amplify a small current signal because a small change in the signal current produces one of the following. Does the change in signal produce a large change in the: w) emitter-base voltage x) base current y) collector current z) collector voltage

Description : The common-emitter transistor circuit can amplify a small current signal because a small change in the signal current produces one of the following. Does the change in signal produce a large change in the: w) emitter-base voltage x) base current y) collector current z) collector voltage

Last Answer : ANSWER: Y -- COLLECTOR CURRENT

Which one of the following is the advantage of connecting two dry cells in parallel instead of in series? Is it because the parallel arrangement: w) gives twice the EMF of one dry cell x) has no internal resistance y) generates heat in an external circuit half as fast as would a single cell z) has half the internal resistance of a single cell

Description : Which one of the following is the advantage of connecting two dry cells in parallel instead of in series? Is it because the parallel arrangement: w) gives twice the EMF of one dry cell x) has no ... circuit half as fast as would a single cell z) has half the internal resistance of a single cell

Last Answer : ANSWER: Z -- HAS HALF THE INTERNAL RESISTANCE OF A SINGLE CELL