Question is ⇒ A buffer is, Options are ⇒ (A) always non-inverting, (B) always inverting, (C) inverting or non-inverting, (D) none of the above, (E) , Leave your comments or Download question paper.

Question is ⇒ A buffer is, Options are ⇒ (A) always non-inverting, (B) always inverting, (C) inverting or non-inverting, (D) none of the above, (E) , Leave your comments or Download question paper. Previous question Next question


Q1.	A buffer is
A.	always non-inverting [Wrong Answer]
B.	always inverting [Wrong Answer]
C.	inverting or non-inverting [Correct Answer]
D.	none of the above [Wrong Answer]
View Answer 2 -3 Explanation:- Answer : C 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 :

⇒ Two currents have the same peak value. Wave 1 is sinusoidal and wave 2 is rectangular. The ratio of their heating effects are
0.0423611111111111
1 : 2
0.0430555555555556
0.000711805555555555

⇒ Which of the following measurements can be done using a counter?

Pulse duration
Interval between two pulses
Amplitude of the pulse
Rise time of a pulse

Select the correct answer from the codes given below:
1 and 2
2 and 3
1 and 4
2 and 4

⇒ In a series RLC circuit the dB level of currents at half power frequencies as compared to current at resonance is
3
-3
0.5
-0.5

⇒ A 3 kV circuit uses SCR of 800 V rating. If derating is 25%, the number of SCRs in series is
4
5
6
8

⇒ The feedback control system shown in the given figure repres
Type 0 system
Type 1 system
Type 2 system
Type 3 system

⇒ In the circuit of figure, the source supplies, 2.25 mA. The value of R mus
5 Ω
3 Ω
1.5 Ω
0.5 Ω

⇒ Permittivity has the units of F/m.
TRUE
FALSE

⇒ Broadcasting antennas are generally
omnidirectional type
vertical type
horizontal type
helical

⇒ When two 16-input multiplexers drive a 2-input MUX, what is the result?
2-input MUX
4-input MUX
16-input MUX
32 input MUX

⇒ A single phase half wave converter is feeding a resistive load. Just before triggering, the voltage across thyristor is
zero
about 1 V
same as input voltage
twice the input voltage

⇒ A network is causal if impulse response is zero for t < 0.
TRUE
FALSE

⇒ The input to negative clamper has a peak value of V_p. Then in the output the positive and negative peaks are nearly
0 and -2 V respectively
V_p and -V_p respectively
2 V_p and 0 respectively
none of the above

⇒ RF amplifiers are used in radio receivers for
improved image frequency rejection
improved rejection of adjacent unwanted signals
prevention of re-radiation of the local oscillator through the antenna of the receiver
all of the above

⇒ Wood is a diamagnetic material.
TRUE
FALSE

⇒ An n type silicon bar 0.1 cm long and 100 μm² in cross-sectional area has a majority carrier concentration of 5 x 10²⁰/m³ and the carrier mobility is 0.13 m⁰/V-s at 300k. If the charge of an electron is 1.6 x 10^-19 coulomb, then the resistance of the bar is
10⁶ ohm
10⁴ ohm
10^-1 ohm
10^-4 ohm

⇒ From the given circuit below, we can conclude t
BJT is pnp
BJT is npn
transistor is faulty
not possible to determined

⇒ A dynamic RAM cell which holds 5 V has to be refreshed every 20 ms so that the stored voltage does not fall by more than 0.5 V. If the cell has a constant discharge current of 0.1 pA, the storage capacitance of cell is
4 x 10^-6 F
4 x 10^-9 F
4 x 10^-12 F
4 x 10^-15 F

⇒ (sI - A)^-1 is equal to
adj (sI - A)/det (sI - A)
det (sI - A)/adj(sI - A )
[adj (sI - A)] [det(sI - A)]
none of the above

⇒ Which one of the following is true?
Alternating voltage and current contain odd and even harmonics
The inductance in a circuit reduces the effect of harmonics and makes current wave more sinusoidal than voltage wave
Alternating voltage and current waveforms, in general, do not contain odd harmonics
Inductance of a circuit does not alter wave shape at all

⇒ In a series RLC circuit p.f is lagging when f < resonance frequency.
TRUE
FALSE

⇒ For a 12 pulse operation, the two 6 pulse units are fed by
Y - Y and Y - Y transformers
Δ - Δ and Δ - Δ transformers
Y - Y and Y - Δ transformers
Y - Δ and Y - Δ transformers

⇒ Consider the following statements:

Taking 2's complement is equivalent to sign change.
In the 2's complement representation the most significant bit (MSB) is zero for a positive number.
In a 4 bit binary representation of a binary number A, A + 1's complement of A = 2⁴.

Which of the above statements are correct?
1 and 2 only
1 and 3 only
2 and 3 only
1, 2 and 3

⇒ The following components are used to measure power output of a 2 kW TWT amplifier:

TWTA
Low pass/high pass filter
20 dB attenuator
40 dB directional complex with matched load
Power load

What is the correct sequence of connection of these components?
2 - 4 - 1 - 3 - 5
1 - 3 - 4 - 2 - 5
1 - 2 - 4 - 3 - 5
2 - 4 - 1 - 5 - 3

⇒

Match the following:

	List I (Instrument)		List II (Parameters)
A.	Moving coil galvanometer	1.	High inertia, soft spring control
B.	Ballistic galvanometer	2.	No control, high damping
C.	Vibration galvanometer	3.	Soft spring control, critical damping
D.	Moving coil flux meter	4.	Low inertia, tuned spring control

A-4, B-2, C-3, D-1
A-1, B-3, C-2, D-4
A-2, B-1, C-4, D-3
A-3, B-1, C-4, D-2

⇒ Two voltmeters 0-250 V each having resistances of 5 kΩ and 10 kΩ respectively and are connected in series. To ensure that neither of them goes beyond scale the total voltage which can be applied should be less than
500 V
400 V
375 V
250 V

⇒ A signal m(t) with bandwidth 500 Hz is first multiplied by a signal g(t) w
δ(t)
m(t)
0
m(t) δ(t)

⇒ Which of the following statement is incorrect?
UJT is a 3-terminal diode having two unequally doped regions
A UJT can be triggered by any one of its three terminals
The bi-directional switching characteristics of a diac are symmetrical
As compared to JFETs, MOSFETs generate less noise in high gain amplifiers

⇒ Precisely 1 K byte means
1000 bits
1012 bits
1020bits
1024 bits

⇒ The 8085 microprocessor is interrupted while executing MOV instruction at location 0210 H. What is the location at which contents of register E are stored.
054 CH
054 DH
054 EH
054 FH

⇒ In the schematic representation of bipolar junction transistor, the direction of arrow shows the direction of flow of
holes
electrons
holes in pnp and electrons in npn
electrons in pnp and holes in npn