Question is ⇒ In the following transistor circuit VBE = 0. 7 V, rc = 25mV/IE, and β and the capacitance are very l, Options are ⇒ (A) -180, (B) -120, (C) -90, (D) -60, (E) , Leave your comments or Download question paper.

Question is ⇒ In the following transistor circuit VBE = 0. 7 V, rc = 25mV/IE, and β and the capacitance are very l, Options are ⇒ (A) -180, (B) -120, (C) -90, (D) -60, (E) , Leave your comments or Download question paper. Previous question Next question


Q1.	In the following transistor circuit V_BE = 0. 7 V, r_c = 25mV/I_E, and β and the capacitance are very l
A.	-180 [Wrong Answer]
B.	-120 [Wrong Answer]
C.	-90 [Wrong Answer]
D.	-60 [Correct Answer]
View Answer 1 -1 Explanation:- Answer : D Discuss it below : !! OOPS Login [Click here] is required to post your answer/result Help other students, write article, leave your comments

Previous question Next question

Also Read Similar Questions Below :

⇒ Find the FSV (full scale voltage) in a 6 bit R-2R ladder D/A converter has a reference voltage of 6.5 V.
6.4 V
0.1 V
7 V
8 V

⇒ The circuit of figur
positive clipper
negative clipper
combination clipper
either (a) or (b)

⇒ What is the direction of control bus?
Unidirection into μp
Unidirection out of up
Bidirectional
Mixed direction i.e., some lines into μp and some other out of μp

⇒ A cable has an insulation resistance of 10¹⁰ ohms. If the length is doubled, the insulation resistance will be
2 x 10¹⁰ Ω
0.5 x 10¹⁰ Ω
10¹⁰ Ω
4 x 10¹⁰ Ω

⇒ For full wave rectification four diode bridge rectifier is claimed to have following advantages:

Less expensive transformer
Small size transformer
Suitable for higher voltage applications

Which of these are correct?
1 and 2 only
1 and 3 only
2 and 2 only
1, 2, 3

⇒ Fermi level is the maximum energy that an electron can possess at 0 K.
TRUE
FALSE

⇒ If a resistance R of 1 Ω is connected between A and B in figure, current flowing through
0.0416666666666667
0.5 A
0.25 A
0.125 A

⇒ In a 100% amplitude modulated signal, the power in the upper sideband when carrier power is to be 100 W and modulation system SSBSC, is
100 W
66 W
50 W
25 W

⇒ The content of which of the following determines the state of the CPU at the end of the execute cycle (when the interrupt is recognized)?

Program counter
Processor register
Certain status conditions

Select the correct answer using the codes given below :
1 and 2
2 and 3
1 and 3
1, 2 and 3

⇒ IC (instruction cycle), FC (fetch cycle) and EC (executive cycle) are related as
IC = FC - EC
IC = FC + EC
IC = FC + 2EC
EC = IC + EC

⇒ If an electron move through a potential difference of 500 V, the energy possesses by it will be
500 ergs
500 joules
500 eV
500 mV

⇒ If X = - 285.56 and the Pascal write statement used is WRITE (X : 8). Then the print out will appear as
-285.56
-2.85 E + 02
-2.85560 E + 02
-2.8 E + 02

⇒ Which one of the following is not a characteristic of a ferroelectric material?
High dielectric constant
No hysteresis
Ferroelectric characteristic only above the curie point
Electric dipole moment

⇒ The tuned circuit of the oscillator in a simple AM transmitter employs a 50 H coil and a 1 nanofarad capacitor. If the oscillator output is the carrier frequency will be
448 kHz
555 kHz
625 kHz
712 kHz

⇒ In an SCR, the anode current is controlled by
gate current only
external circuit only
both gate current and external circuit
none of the above

⇒ A transmission line is feeding 1 watt of power to a horn antenna having a gain of 10 dB. The antenna is matched to the transmission line. The total power radiated by the horn antenna into the free space is
10 watts
1 watt
0.1 watt
0.01 watt

⇒ Which of the following number specification refers to FET with one gate?
2N
3N
3Y
3X

⇒ When a semi-conductor is doped, its electrical conductivity
increases
decreases in the direct ratio of the doped material
decreases in the inverse ratio of the doped material
remains unaltered

⇒ The device having highest photo sensitivity is
photoconductive cell
photovoltaic cell
photodiode
phototransistor

⇒

Assertion (A): If minimum phase system has a gain margin of 8 dB and phase margin of 21°, the system is stable.

Reason (R): For a minimum phase system both GM and PM must be positive for the system to be stable.

Both A and R are correct and R is correct explanation of A
Both A and R are correct but R is not correct explanation of A
A is correct but R is wrong
R is correct but A is wrong

⇒ For the DAC in the given figure V_{O10 V
5 V
4 V
8 V}

⇒ In an integrated circuit the SiO₂layers provide
electrical connection to external Ckt.
physical strength
isolation
conducting path.

⇒ To produce p type semiconductor we add
acceptor atoms
donor atoms
pentavalent impurity
trivalent impurity

⇒ Tesla is unit of
Φ
B
H
MMF

⇒ AC hum is picked up from power cables
TRUE
FALSE

⇒ Which of the following is taken as reference antenna for directive gain?
Half wave dipole
Elementary doublet
Isotropic
Infinitesimal dipole

⇒ Most of the digital computers do not have floating-point hardware because
floating point hardware is costly
it is slower than software
it is not possible to perform floating point addition by hardware
of not specific reason

⇒ When electronic emission occurs due to bombardment of high velocity electrons on a metal surface, it is called secondary emission.
TRUE
FALSE

⇒ Figure shows the arrangement
FM
PM
AM-DSB
AM-SSB

⇒ The sensitivity of human eyes is maximum at
white portion of spectrum
green portion of spectrum
red portion of spectrum
violet portion of spectrum