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The parameter h_{11} for CB circuit is higher than that for CE circuit. | |
A. | TRUE [Wrong Answer] |
B. | FALSE [Correct Answer] |
View Answer
Explanation:-
Answer : B Discuss it below : !! OOPS Login [Click here] is required to post your answer/result |
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voltage amplifier
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dimensions
wavelength
all of the above
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⇒ A CMOS amplifier when compared to an N-channel. MOSFET, has the advantage of
higher cut off frequency
higher voltage gain
higher current gain
lower current drain from the power supply, there by less dissipation
⇒ When three 100 K, ± 10% fixed resistors of 1/4 W Power rating are connected in parallel, the resulting 33 K resistor will have a tolerance specification and power rating of
± 10% and 3/4 W respectively
± 10% and 1/12 W respectively
± 3.3.% and 3/4 W respectively
± 30% and 3/4 W respectively
⇒ In which n type device does p substrate extend upto silicon dioxide layer?
JFET
Depletion type MOSFET
Enhancement type MOSFET
Both (b) and (c)
⇒ Double integration of a unit step function would lead to
an impulse
a parabola
a ramp
a doublet
⇒ The probability density function of the envelope of narrow band noise is :
Uniform
Gaussian
Rayleigh
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⇒ For a level input sequential circuit
output in a level only
output is in the pulse form
output may be a pulse or a level form
none of these
⇒ In TV broadcast, UHF range is
606 - 790 MHz
100 - 150 MHz
41 - 68 MHz
174 - 230 MHz
⇒ j^{6} =
j
j^{2}
j^{3}
- j
⇒ Which memory is available in all technologies?
PROM
EEPROM
ROM
EPROM
⇒ If the minimum range of a radar is to be doubled, the peak power has to be increased by a factor of
2
4
8
16
⇒ The generally used value of EHV supply in TV receivers is
1 kV per diagonal cm
1 kV per diagonal inch
0.5 kV per diagonal cm
0, 5 kV per diagonal inch
⇒ The sensitivity of a potentiometer can be increased by
increasing the length of wire
decreasing the length of wire
increasing the current in the wire
decreasing the current in the wire
⇒ The circuit consisting of two transistor connected in series with the d.c. supply voltage is called
push pull
differential pair
stacked V^{+}
complementary symmetry
⇒ For a transistor the normal collector voltage is 12 V. If actually it is found to be + 28 V, the trouble could be
R_{L} is open
R_{E} is open
C_{E} is shorted
C_{E} is open
⇒ The reverse saturation current in a semiconductor diode consists of
avalanche current
zener current
minority carrier current
minority carrier current and surface leakage current
⇒ A good dielectric should have
low losses
good heat conductivity
high intrinsic strength
all of the above
⇒ In single tone AM modulation, the transmission efficiency for m = 1 is
0.333
0.5
1
0.1665
⇒ The impedance inversion may be objected with
a short-circuited stub
an open-circuited stub
a half-wave line
a quarter-wave line
⇒ A telephone channel requires a bandwidth of about
1 kHz
3 kHz
10 kHz
50 kHz
⇒ The torque in induction wattmeters due to
capacitive current
electrostatic effect
hall effect
eddy currents
⇒ Algebraic expression for z-transform of x[n] is X[z]... What is the algebraic expression of z-transform of e^{jω0n} x[n]?
X(Z - Z_{0})
X(e^{-jW0z})
X(e^{jω0z})
X(Z)^{jω0z}
⇒ In a self bias circuit for CE amplifier, an increase in emitter resistance R_{E} results in
increase in emitter voltage
decrease in emitter voltage
increase in emitter current
decrease in emitter current
⇒ In TV signals colour burst is used
to maintain colour sequence
to ensure I and Q phase correctly
to synchronise colours
for interlacing of horizontal lines
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- AC excitation is used to avoid polarisation of fluid.
- The meter calibration is changed as viscosity of fluid changes.
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1, 2, 3 are correct
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2 and 3 are correct
1 and 3 are correct
⇒ Find the value of i_{x} if each resistance is of 3 Ω and each battery is of
1.1428 V
1.432 A
0.2892 A
O A
⇒ The standard deviation of a set of observations is the rms value of the deviation from the arithmetic mean.
TRUE
FALSE