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CMRR of an op-amp is about 0.1. | |
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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slotted line
balun
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⇒ An open wire transmission line having a characteristic impedance of 600 ohms is terminated by a resistive load of 900 Ω. The standing wave ratio will be
1.5
2.5
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musical waves
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⇒ If F(jω) is the Fourier transform of f(t), then
£ f(- t) = F(jω)
£ f(- t) = F* (jω)
£ f(- t) = F(- jω)
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⇒ RC network shown in the given figure can provide a maximum theoretical phase shif
90°
180°
270°
360°
⇒ A 2 μF capacitor is shunted by a 1 kΩ maintained at temperature 400 K. The rms noise voltage across the capacitor over the entire frequency band is:
6.25 x 10^{-8} V
5.25 x 10^{-6} V
6.25 x 10^{-6} V
5.25 x 10^{-8} V
⇒ Accumulator is an 8 bit register and is also known as register B.
TRUE
FALSE
⇒ Which of the following is not a valid variable in FORTRAN 77?
BRG
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3 VSA
⇒ Oscillator crystal is made of
silicon
germanium
diamond
quartz
⇒ The drain characteristics of JFET are drawn between
V_{GS} and V_{DS} for different values of drain current
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List I (Camera pick up tubes) | List II (Developed by) | ||
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A. | CCD charger | 1. | Toshiba |
B. | New vicon | 2. | Philips |
C. | Plumbicon | 3. | Matushita |
D. | Chalnicon | 4. | RCA |
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⇒ In a 3 phase bridge inverter, the gating signals for the three phases have a phase difference of
120°
60°
240°
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⇒ The on voltage and forward breakover voltage of an SCR depend on
gate current alone
band gap of semiconductor alone
gate current and semiconductor band gap respectively
semiconductor band gap and gate current respectively
⇒ 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
⇒ When a bit is 0 is a DDR, it makes the corresponding port pin an __________ On the other hand, a 1 bit programs a __________ Pin.
output, input
output, output
input, input
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14.14 ∠45°
200 ∠45°
2.65 + j45°
2.65 + j0.785
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Assertion (A): When p-n junction is forward biased, steady current flows.
Reason (R): When a p-n junction is forward biased, free electrons cross the junction from n to p and holes from p to n.
Both A and R are true and R is correct explanation of A
Both A and R are true but R is not a correct explanation of A
A is true but R is false
A is false but R is true
⇒ A single phase half wave converter is used to charge a battery of 50 V. The thyristor is continuously fired by dc signal. Input voltage is v = V_{m} sin ωt. The thyristor will conduct
from 0 to 180°
when v > 50 V
from 0 to 90°
When v < 50 V
⇒ Decimal number 5436 when converted into 9's complement will become
4356
4653
4563
4655
⇒ A typical error rate on satellite circuits is one bit error in
10^{7}
10^{3}
10^{2}
10^{10}
⇒ A trigonometric function is synonyms to
orthogonal function
triangular function
singular function
none of the above
⇒ Which of the following is used to generate PDM?
Free running multi-vibrator
Monostable multi-vibrator
JK flip-flop
Schmitt trigger
⇒ The bidirectional pattern of a broadside array can be converted into unidirectional by
maintaining the distance of λ/4 between the elements
maintaining the distance of λ/2 between the elements
installing an identical array behind the main array at distance λ/4 and exciting it by current leading in phase by 90°
installing an identical array behind the main array at distance λ/2 and exciting it by current leading in phase by 120°
⇒ In a half wave voltage doubler circuit the input frequency is 50 Hz. The ripple frequency is
25 Hz
50 Hz
100 Hz
150 Hz
⇒ Which of the following is correct for a driving point functions?
The real parts of all poles must be negative
The real parts of all poles and zeros must be negative
The real parts of all poles and zeros must be negative or zero
The real parts of all zeros must be negative
⇒ The interface chip for 8086 and 16 bit ADC is
8259
8255
8253
8251
⇒
Assertion (A): The unit of telephone traffic measurement is erlang.
Reason (R): International circuits for communication are fitted with echo suppressors.
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
A is wrong but R is correct
⇒ The torque in induction wattmeters due to
capacitive current
electrostatic effect
hall effect
eddy currents
⇒ In register index addressing mode the effective address is given by
index register value
sum of the index register value and the operand
operand
difference of the index register value and the operand