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The following properties are associated with ferroelectric materials:
| |
A. | 1 only [Wrong Answer] |
B. | 1 and 3 [Wrong Answer] |
C. | 2 only [Correct Answer] |
D. | 1, 2 and 3 [Wrong Answer] |
View Answer
Explanation:-
Answer : C Discuss it below : !! OOPS Login [Click here] is required to post your answer/result |
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least value which can be measured
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0.9
0.8
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⇒ It is difficult to write a program in a machine language.
TRUE
FALSE
⇒ As comparated to an ordinary p-n diode, the extent of impurity atoms in a tunnel diode
is more
is less
may be more or less
is almost the same
⇒ A p-n junction diode has
low forward and high reverse resistance
a non-linear v-i characteristics
zero forward current till the forward voltage reaches cut in value
all of the above
⇒ The baud rate is
not equal to signalling rate
always equal to bit transfer rate
equal to twice the bandwidth of an ideal channel
equal to half the bandwidth of ideal channel
⇒ In rectifier circuits, ripple factor RF and form factor FF are related as
RF = (FF^{2} - 1)^{0.5}
RF = FF
RF = FF - 1
RF = (FF - 1)^{0.5}
⇒ The frequency at which phase angle is 180° is called
phase crossover frequency
stability limit frequency
frequency of limited stability
gain margin frequency
⇒ For very low frequencies, v_{0}/v_{i} in the given figure eq
1
0
∞
0.5
⇒ Four inputs A, B, C, D are fed to a NOR gate. The output of NOR gate is fed to an inverter. The output of inverter is
A + B + C + D
A + B + C + D
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⇒ The inductance of connecting leads can be a source of
low frequency parasitics
high frequency parasitics
carrier frequency parasitics
none of the above
⇒ L [f(t - a)] = F(jω) e^{-jωa}
TRUE
FALSE
⇒ If (10)_{x} x (10)_{x} = (100)_{x}; (100)_{x} x (100)_{x} = (10000)_{x} then x can take value :
2
5
10
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decreases
increases
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⇒ The statement ! (b < 5) in C means
b = 5
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List I | List II | ||
---|---|---|---|
A. | shift Register | 1. | Frequency division |
B. | Counter | 2. | Addressing in memory chips |
C. | Decoder | 3. | Serial to parallel Data conversion |
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4 bit adder giving P + Q
4 bit subtractor P - Q
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⇒ A rectangular waveguide (2.29 x 1.02) cm operates at a freq. of 11 GHz in TE_{10} mode. If the maximum potential gradient of the signal is 5 kV/cm, then the maximum power handling capacity of the waveguide will be
31.11 mW
31.11 W
31.11 kW
31.11 MW
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increases
decreases
remains constant
either (a) or (c)
⇒ Poynting vector is associated with
flux in magnetic field
power flow in electrostatic field
current in electrostatic field
charge in electrostatic field
⇒ The maximum forward current in case of signal diode is in the range of
1 A to 10 A
0.1 A to 1 A
few milli amperes
few nano amperes
⇒ In a combination limiter with sinusoidal input voltage the output wave can be nearly square.
TRUE
FALSE
⇒ RMS value of a square wave is the same as peak value.
TRUE
FALSE
⇒ What is the result for expression (map metho
A + D + BC
A + D
A D + B C
A + D + BC
⇒ Some of MOS families are PMOS, CMOS, the family dominating the LSI field, where low power consumption is necessary is
NMOS
CMOS
PMOS
both NMOS, CMOS
⇒ In a varistor, as the voltage increases beyond a certain value, its resistance
rapidly increases
rapidly decreases
becomes negative, i.e., varistor goes into negative resistance region
none of these
⇒ For the transport lag G(jω) = e^{-jωT}, the magnitude is always equal to
0
1
10
0.5
⇒ The ac collector current is nearly equal to
ac base current
ac signal current
ac supply current
ac emitter current