menu search
person
can transistors amplify voltage?
thumb_up_alt 0 like thumb_down_alt 0 dislike
45 views

1 Answer

Yup
thumb_up_alt 0 like thumb_down_alt 0 dislike
← Prev Question Next Question →

Related questions

Description :

How the mosfet can be used to amplify the time dependent voltage?

thumb_up_alt 0 like thumb_down_alt 0 dislike
24 views 0 answers
Description :

can transistor amplify dc?

Answer :

No

thumb_up_alt 0 like thumb_down_alt 0 dislike
31 views 1 answer
Description :

In IC, transistors are utilised as diodes.To get highest breakdown voltage for such diode, it is adjusted to have  A) Ie=0 B) Ic=0 C) Vcb=0 D) Vce=0 

thumb_up_alt 0 like thumb_down_alt 0 dislike
71 views 0 answers
Description :

Draw symbol of NPN and PNP transistors. 

Answer :

symbol of NPN and PNP transistors

thumb_up_alt 0 like thumb_down_alt 0 dislike
97 views 1 answer
Description :

Power transistors with heat sink are fixed by

Answer :

Power transistors with heat sink are fixed by Fastening

thumb_up_alt 0 like thumb_down_alt 0 dislike
126 views 1 answer
Description :

For a symmetrical emitter coupled differential amplifier using transistors of current gain 100, constant current source of 2 mA and with Vcc=10 V, differential input resistance in kOhm is about  A) 2.5 B) 5 C) 10 D) 50

thumb_up_alt 0 like thumb_down_alt 0 dislike
92 views 0 answers
Description :

Answer :

Bjt transistor is a type of transistor which  uses both electrons and hole charge carrier.bjts are used as switches and amplifiers.They amplify currents.

thumb_up_alt 0 like thumb_down_alt 0 dislike
91 views 1 answer
Description :

Transistors can be used as _____. A. Amplifier B. Adder C. Relay D. MCB

Answer :

Amplifiers and switches

thumb_up_alt 0 like thumb_down_alt 0 dislike
118 views 2 answers
Description :

How can we protect circuit from reverse voltage polarity?

Answer :

We can protect circuit from reverse voltage by connecting diode in series but connecting diode in series is less efficient. So we can also protect circuit from reverse voltages by connecting p channel ... gate and source of mosfet and input voltage is applied between drain and Gate of mosfet.

thumb_up_alt 0 like thumb_down_alt 0 dislike
58 views 1 answer
Description :

The -------can conduct current in either direction and is turned-on when the breakover voltage is exceeded  A) SCR B) Diac  C) SCS D) Traic

Answer :

The diac  can conduct current in either direction and is turned-on when the breakover voltage is exceeded.

thumb_up_alt 0 like thumb_down_alt 0 dislike
86 views 1 answer
Description :

Draw the diagram for PAM generation using transistors. Explain its working.

Answer :

Explanation:-1. Transistor Q1 is used in the active region so it has been provided with DC biasing to its base. 2. Modulating signal is applied to the base of transistor Q1 3. In the emitter of ... . 7. In the time interval between sampling pulses output is zero. Thus we get the output as PAM.

thumb_up_alt 0 like thumb_down_alt 0 dislike
4 views 1 answer
Description :

ECL is the fastest of all logic families. High Speed in ECL is possible because transistors are used in difference amplifier configuration, in which they are never driven into ............... (1) Race condition (2) Saturation (3) Delay (4) High impedance

Answer :

Answer: 2  Explanation: Emitter-coupled logic (ECL) is the fastest of all logic families and therefore is used in applications where very high speed is essential. High speeds have become ... configuration, in which they are never driven into saturation and thereby the storage time is eliminated.

thumb_up_alt 0 like thumb_down_alt 0 dislike
11 views 1 answer
Description :

Which of the following was used as circuitry for first generation of computers? (1) Vacuum tube (2) Transistors (3) Integrated circuits (4) Microprocessors

Answer :

Vacuum tube

thumb_up_alt 0 like thumb_down_alt 0 dislike
14 views 1 answer
Description :

What did the first electronic digital computer contain ? (1) Transistors (2) Valves (3) Core memory (4) Semiconductor memory

Answer :

Valves

thumb_up_alt 0 like thumb_down_alt 0 dislike
6 views 1 answer
thumb_up_alt 0 like thumb_down_alt 0 dislike
114 views 0 answers
Description :

Most of the transistors are NPN type and not PNP type because  1.NPN transistor gives large voltage gain 2.NPN transistors are more negative than PNP transistors 3.In NPN transistor, the current conduction is by free electrons which are less mobiles than holes 4.We can have high conduction is NPN transistors 

Answer :

Most of the transistors are NPN type and not PNP type because We can have high conduction is NPN transistors 

thumb_up_alt 0 like thumb_down_alt 0 dislike
53 views 1 answer
Description :

Define: i) Input Offset Voltage ii) Input offset Current iii) Input Bias Current iv) Output offset voltage

Answer :

Definition of parameters of OPAMP is follows:  i) Input Offset Voltage: Input offset voltage is defined as the voltage that must be applied between the two input terminals of an OPAMP to null or ... to ground) and output voltage is obtained non zero such voltage is output offset voltage of opamp.

thumb_up_alt 1 like thumb_down_alt 0 dislike
270 views 1 answer
Description :

An SSB transmitter produces a peak-to-peak voltage of 200 V across a 100 Ω antenna load. What is the Peak Envelope Power? A) 49.98 W B) 79.98 W C) 99.96 W D) 199.93 W

Answer :

An SSB transmitter produces a peak-to-peak voltage of 200 V across a 100 Ω antenna load. What is the Peak Envelope Power? A) 49.98 W B) 79.98 W C) 99.96 W D) 199.93 W

thumb_up_alt 0 like thumb_down_alt 0 dislike
242 views 1 answer
Description :

In a full wave rectifier circuit using centre tapped transformer, the peak voltage across half of the secondary winding is 30 V. Then PIV is: (1) 30 V (2) 60 V (3) 15 V (4) 10 V

Answer :

In a full wave rectifier circuit using centre tapped transformer, the peak voltage across half of the secondary winding is 30 V. Then PIV is: 60 V

thumb_up_alt 0 like thumb_down_alt 0 dislike
274 views 1 answer
Description :

The device used for voltage regulator is

Answer :

The device used for voltage regulator is zener diode

thumb_up_alt 0 like thumb_down_alt 0 dislike
52 views 1 answer
Description :

Pinch off voltage of a J FET is the drain to source voltage above which drain current. • Increases • Decreases • Remains constant • Becomes zero

Answer :

Pinch off voltage of a J FET is the drain to source voltage above which drain current Remains constant

thumb_up_alt 0 like thumb_down_alt 0 dislike
137 views 1 answer
Description :

The ripple voltage in the output of a single phase half wave rectifier with 10 V rectified dc voltage with resistive load and without filter will be • 12.1 volt • 1.21 volt • 0.482 volt • 4.82 volt

Answer :

The ripple voltage in the output of a single phase half wave rectifier with 10 V rectified dc voltage with resistive load and without filter will be 12.1 volt

thumb_up_alt 0 like thumb_down_alt 0 dislike
169 views 1 answer
Description :

The time constant of an RC circuit is defined as the time taken by the voltage across the capacitor to become_____ of its final value   (a) 63.2% (b) 36.8% (c) 50% (d) 100%  

Answer :

The time constant of an RC circuit is defined as the time taken by the voltage across the capacitor to become 63.2% of its final value 

thumb_up_alt 0 like thumb_down_alt 0 dislike
71 views 1 answer
Description :

Threshold voltage for PMOS is generally (A) Negative (B) Positive (C) Zero (D) None of the above

Answer :

Threshold voltage for PMOS is generally Negative 

thumb_up_alt 0 like thumb_down_alt 0 dislike
27 views 1 answer
Description :

What type of instrument is used to measure dc voltage of the order 5 volts? (A) moving iron type (B) electro-static type (C) moving coil type (D) all of these

Answer :

Permanent Magnet Moving Coil (PMMC) voltmeter is used to  measure the DC voltage. We can also use moving iron meter, but it has more error compared to moving coil.

thumb_up_alt 0 like thumb_down_alt 0 dislike
177 views 2 answers
Description :

In a fullwave rectifier circuit with centre tap transformer, if voltage between one end of secondary winding and centre tap is 300V peak, then PIV (peak inverse voltage) is a. 300 V b. 150 V c. 600 V 5 d. 900 V

thumb_up_alt 0 like thumb_down_alt 0 dislike
137 views 0 answers
Description :

In a feedback series regulator circuit, the output voltage is regulated by controlling the a. Magnitude of the I/P voltage b. Gain of the feedback transistor c. Voltage drop across the series pass transistor d. Reference voltage

thumb_up_alt 0 like thumb_down_alt 0 dislike
143 views 0 answers
Description :

A step voltage E is applied to a series R-L circuit. The rate of change of current is maximum at t = _:  (1) Zero (2) Infinity (3) L/R (4) R/L 

Answer :

A step voltage E is applied to a series R-L circuit. The rate of change of current is maximum at t = Zero.

thumb_up_alt 0 like thumb_down_alt 0 dislike
143 views 1 answer
Description :

What is the voltage resolution of an 8-stage ladder network?  (1) Vref /128 (2) Vref /256 (3) Vref /512 (4) Vref /1024

Answer :

Vref /256 is the voltage resolution of an 8-stage ladder network.

thumb_up_alt 0 like thumb_down_alt 0 dislike
316 views 1 answer
Description :

An eight bit digital data 10101100 is fed to an ADC. The reference voltage is +10V. The analog output voltage will be:  (1) 1.05V (2) 6.74V (3) 10.10V (4) 5.15V

Answer :

An eight bit digital data 10101100 is fed to an ADC. The reference voltage is +10V. The analog output voltage will be: 6.74V.

thumb_up_alt 0 like thumb_down_alt 0 dislike
516 views 1 answer
Description :

The voltage regulation of an alternator having 0.75 leading p.f. load, no-load induced e.m.f. of 2400V and rated terminal voltage of 3000V is —————————————  A) 20% B) —20% C) 150 D) -26.7

Answer :

-20

thumb_up_alt 0 like thumb_down_alt 0 dislike
434 views 1 answer
Description :

When a sinusoidal voltage wave drives a Schmitt Trigger, the output is a:  A) Triangular wave B) Rectified sine wave C) Rectangular wave D) Trapezoidal wave

thumb_up_alt 0 like thumb_down_alt 0 dislike
307 views 0 answers
Description :

A diode D, resistor R and inductor L and a switch S are connected in series.When a voltage V is applied across the circuit and switch is put on, the voltage across L changes as  A) V(1-exp(-t R/L)) B) Vexp(-t R/L) C) Ldi/dt +Ri D) V(1-t R/L)

thumb_up_alt 0 like thumb_down_alt 0 dislike
89 views 0 answers
Description :

In the snubber circuit used in a thyristor to limit the peak voltage overshoot applied across it damping ratio is taken as about  A) 0.14 B) 0.21 C) 0.36 D) 0.62

thumb_up_alt 0 like thumb_down_alt 0 dislike
62 views 0 answers
Description :

Recommended IiL (minimum input current when the input voltage represents logical zero) is minimum for the TTL family  A) LS B) ALS C) AS D) S

thumb_up_alt 0 like thumb_down_alt 0 dislike
56 views 0 answers
Description :

For an ADC, full scale output voltage is about 10 V.For a resolution of about 9.78mV, number of bits required is  A) 6 B) 8 C) 10 D) 12

thumb_up_alt 0 like thumb_down_alt 0 dislike
120 views 0 answers
Description :

In 8 bit successive approximation ADC, clock frequency is 1MHz and reference voltage is 10 V.Conversion time in µS for 5 V input is  A) 4 B) 8 C) 10 D) None of these 

thumb_up_alt 0 like thumb_down_alt 0 dislike
119 views 0 answers
Description :

For an 8 bit DAC, reference voltage is 10 V. If input to DAC starting from MSB is 10111100, output (in volts) is  A) 5.8 B) 6.4 C) 7.3 D) 8.2

thumb_up_alt 0 like thumb_down_alt 0 dislike
117 views 0 answers
Description :

In PLL 565, timing components of VCO are 10 kOhm and 0.01 microfarad. Supply voltage is +10V and -10V. The voltage to frequency conversion factor of VCO is about  A) 250 Hz/V B) 500 Hz/V C) 750 Hz/V D) 1000 Hz/V

thumb_up_alt 0 like thumb_down_alt 0 dislike
242 views 0 answers
Description :

The total output offset voltage for a noninverting amplifier with input resistance 1 kOhm , feedback resistance 10 k Ohm, input offset voltage 10 mV and input bias current 100 nA is, about  A) 25 mV B) 55 mV C) 110 mV D) 220 mV

thumb_up_alt 0 like thumb_down_alt 0 dislike
67 views 0 answers
Description :

Answer :

LEDs normally work on a voltage of 1 to 2 V.

thumb_up_alt 0 like thumb_down_alt 0 dislike
79 views 1 answer
Description :

Answer :

A Zener diode is operated in the Reverse bias around the knee of breakdown region mode as a voltage stabilizer.

thumb_up_alt 0 like thumb_down_alt 0 dislike
96 views 1 answer
Description :

Answer :

The voltage across a capacitor Lags the current through it by 90

thumb_up_alt 0 like thumb_down_alt 0 dislike
71 views 1 answer
Description :

Answer :

For a pure capacitor, the voltage-current relationship is: Voltage lags current by 90*

thumb_up_alt 0 like thumb_down_alt 0 dislike
44 views 1 answer
Description :

Answer :

The voltage gain of triode depends on plate voltage.

thumb_up_alt 0 like thumb_down_alt 0 dislike
84 views 1 answer
Description :

Why voltage divider bias is also called self bias?

thumb_up_alt 0 like thumb_down_alt 0 dislike
112 views 0 answers
Description :

Answer :

MOSFET  are voltage controlled devices.

thumb_up_alt 3 like thumb_down_alt 0 dislike
124 views 3 answers
Description :

Answer :

BJT is current controlled device.

thumb_up_alt 3 like thumb_down_alt 0 dislike
133 views 4 answers
Description :

Answer :

No, BJT is a current controlled device .

thumb_up_alt 0 like thumb_down_alt 0 dislike
173 views 1 answer
editAsk a Question
...