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Bitter powder patterns prove the existence of domains. | |
A. | TRUE [Correct Answer] |
B. | FALSE [Wrong Answer] |
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Explanation:-
Answer : A Discuss it below : !! OOPS Login [Click here] is required to post your answer/result |
Also Read Similar Questions Below :
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(e^{t} - e^{3t}) u(t)
(e^{-t} - 3e^{-3t}) u(t)
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0.5 M(f + f_{c})
0.5 M(f - f_{c})
0.5 M(f + f_{c}) + 0.5 M(f - f_{c})
0.5 M(f - f_{c}) + 0.5 M(f - f_{c})
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A-1, B-2, C-3, D-4
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⇒ In an ac series RLC circuit the maximum phase difference between any two voltages can be
90°
45°
- 90°
180°
⇒ A Wien bridge is suitable for
audio frequencies only
radio frequencies only
both audio and radio frequencies
very low frequencies only
⇒ The accuracy of a multimeter is about
± 0.5%
± 3%
± 0.01%
± 10%
⇒ A continuous time LTI system is describe
(e^{t} - e^{3t}) u(t)
(e^{-t} - 3e^{-3t}) u(t)
(e^{-t} + e^{-3t}) u(t)
(e^{t} + e^{3t}) u(t)
⇒ A signal m(t) is multiplied by a sinusoidal waveform of frequency f_{c} such
0.5 M(f + f_{c})
0.5 M(f - f_{c})
0.5 M(f + f_{c}) + 0.5 M(f - f_{c})
0.5 M(f - f_{c}) + 0.5 M(f - f_{c})
⇒ When a p-n Junction is forward biased
the current flow is due to electrons only
the majority carriers in both p and n materials are driven toward the junction.
the majority carriers in both p and n materials are away from the junction.
both (a) and (c).
⇒
Assertion (A): Cut-in voltage for Germanium diode is greater than that for silicon diode.
Reason (R): Germanium diode has a higher reverse saturation current than silicon diode.
Both A and R are individually true and R is the correct explanation of A
Both A and R are individually true but R is not the correct explanation of A
A is true but R is false
A is false but R is true
⇒ Current requirement of a piezo buffer is about
100mA
20mA
4mA
0.4mA
⇒ An incremental model of a solid state device is one which represents the
ac property of the device at desired operating point
dc property of the device at all operating points
complete ac and dc behaviour at all operating points
ac property of the device at all operating points
⇒ Which element exhibits the property of inertia?
Resistance
Capacitance
Inductance
Both resistance and inductance
⇒ The more negative gate voltage, the conductive channel becomes
narrower
wider
thicker
linear
⇒ The ripple factor of a full wave rectifier is about 0.5.
TRUE
FALSE
⇒ TTL logic is preferred to DRL logic because
greater fan-out is possible
greater logic levels are possible
greater fan-in is possible
less power consumption is achieve
⇒ In the FM wave described by equation v = 15 sin (4 x 10^{8} t + 3 sin 1100 t), the maximum frequency deviation is
175 Hz
525 Hz
3 Hz
58.33 Hz
⇒ If the Nyquist plot does not encircle the (-1 + j0) point the system is always stable.
TRUE
FALSE
⇒ In a digital system, the maximum clock frequency that can be used with Master/Slave Clocked flip-flops having total propagation delay of 200 μsec is
20 MHz
50 MHz
100 MHz
200 MHz
⇒ A Darlington pair has β = 300. If R_{E} = 1 kΩ and R_{L} = 100 Ω, the input impedance at the base is approximately
300 k ohm
3 k ohm
100 k ohm
30 k ohm
⇒ Figure repres
Adder
Multiplier
Subtractor
Log Amplifier
⇒ The number of address lines in EPROM 4096 x 8 is
2
4
8
12
⇒ The counter shown in the given figure
Synchronous
Johnson
Ring
None of the above
⇒ The Lissajous pattern observed on screen of CRO is a straight line inclined at 45° to x axis. If X-plate input is 2 sin ωt, the Y-plate input is
2 sin ωt
2 sin (ωt + 45°)
2 sin (ωt - 45°)
22 sin ωt + 45°)
⇒ The circuit in the given figur
positive logic OR gate
negative logic OR gate
negative logic AND gate
positive logic AND gate
⇒ The range of values of a and b for which the linear time invariant system with impulse respon
|a| > 1, |b| > 1
|a| < 1, |b| < 1
|a| < 1, |b| > 1
|a| > 1, |b| < 1
⇒ In indicating instruments the controlling torque is provided by a spring.
TRUE
FALSE
⇒
Match the following:
List I | List II | ||
---|---|---|---|
A. | Digital counter | 1. | Measurement of harmonics |
B. | Schering Bridge | 2. | Measurement of frequency |
C. | Meggar | 3. | Measurement of loss angle of dielectric |
D. | Spectrum analyser | 4. | Measurement of insulation resistance |
A-1, B-2, C-3, D-4
A-4, B-3, C-2, D-1
A-2, B-3, C-4, D-1
A-4, B-1, C-3, D-2
⇒
Assertion (A): In an intrinsic semiconductor J = (μ_{n} x μ_{p})en_{i}.
Reason (R): Intrinsic charge concentration n_{i} at temperature T is given by n_{i}^{2} = A_{0} T^{3} e^{-EG0/kT}.
Both A and R are true and R is correct explanation of A
Both A and R are true but R is not correct explanation of A
A is true but R is false
A is false but R is true
⇒ How many input-output ports can be accessed by direct method of 8085 μp?
8
256
32 K
64 K
⇒ In a parallel resonant circuit, the circuit current at resonance is maximum.
TRUE
FALSE
⇒ Antenna efficiency of antenna is, if radiation resistance is 370 Ω and loss resistance is 100 Ω
0.8
0.87
0.78
0.2127
⇒ An 8 bit data is to be entered into a parallel in register. The number of clock pulses required is
8
4
2
1