Question is ⇒ A gate function which occurs at t = t0 and lasts for duration T can be written as, Options are ⇒ (A) u (t - t0 - T), (B) u(t - t0) = u(t - t0 - T), (C) u(t - t0) - u(t - t0 - T), (D) u(t - t0) - u(t - t0 + T), (E) , Leave your comments or Download question paper.

Question is ⇒ A gate function which occurs at t = t0 and lasts for duration T can be written as, Options are ⇒ (A) u (t - t0 - T), (B) u(t - t0) = u(t - t0 - T), (C) u(t - t0) - u(t - t0 - T), (D) u(t - t0) - u(t - t0 + T), (E) , Leave your comments or Download question paper. Previous question Next question


Q1.	A gate function which occurs at t = t₀ and lasts for duration T can be written as
A.	u (t - t₀ - T) [Wrong Answer]
B.	u(t - t₀) = u(t - t₀ - T) [Wrong Answer]
C.	u(t - t₀) - u(t - t₀ - T) [Correct Answer]
D.	u(t - t₀) - u(t - t₀ + T) [Wrong Answer]
View Answer 1 -1 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 :

⇒ The impurity added to extrinsic semiconductor is of the order of
1 in 100
1 in 1000
1 in 100, 0000
1 in 100, 000, 000

⇒ Consider the CMOS circuit shown, where the gate voltage V_G of the n-MOSEFT is increased from zero, while the gate voltage of the p-MOSFET is kept constant at 3 V. Assume that, for both transistor, the magnitude of the threshold voltage is 1 V and the product of the transconductor parameter and the (W/L) ratio, i.e. the quality μC_0x(W/L), is 1mA. V^{-2Both the MOSFET are in saturation region
Both the MOSFET are in triode region
n-MOSFET is in triode and p-MOSFET is in saturation region
n-MOSFET is in saturation and p-MOSFET is in triode region}

⇒ Microprocessor 386SX is a 16/32 bit microprocessor. It has
16 bit registers and 32 bit data bus
16 bit registers and 16 bit data bus
32 bit registers and 32 bit data bus
32 bit register and 16 bit data bus

⇒ The order of the differential equa
1
2
3
4

⇒ Which of the following is not a valid variable in FORTRAN 77?
BRG
VS
VS 3A
3 VSA

⇒ Intrinsic concentration of charge carriers in a semiconductor varies as
T
T²
T³
T^-2

⇒ The depletion layer across a P⁺ n junction lies
mostly in the P⁺ region
mostly in n region
equally in both the P⁺ and n-region
entirely in the P⁺ region

⇒ Two similar coupled coils are connected in series. The total inductance in series aiding connection is 100 mH. If currents is 3 A, the energy stored in magnetic field is
0.9 J
0.45 J
0.225 J
1.8 J

⇒ RC network shown in the given figure can provide a maximum theoretical phase shif
90°
180°
270°
360°

⇒ A reactance function
has a pole at origin
has a zero at origin
may have a pole or zero at origin
has a pole or zero at origin and a pole or zero at infinity

⇒ The dc load current in a bridge rectifier circuit is 10 mA. The dc load current through each diode is
40 mA
20 mA
10 mA
5 mA

⇒ In a medium if ε, μ and σ are constant throughout the medium, then it is known as
perfect vacuum
distributed medium
homogeneous medium
dielectric medium

⇒

Assertion (A): Transformer coupling has the disadvantage of the weight of transformer and Saturation of core

Reason (R): Transformer coupling is very suitable for impedance matching

Both A and R are correct and R is correct explanation for A
Both A and R are correct but R is not correct explanation for A
A is correct R is wrong
A is wrong R is correct

⇒ A two branch tuned circuit has a coil of resistance R and inductance L in one branch and capacitance C in the second branch. If R is increased, the dynamic resistance
increases
decreases
remains constant
may increases or decreases

⇒ The number of digits in octal system is
8
7
9
10

⇒ Consider the following

A signal f(t) and its Hilbert transform f_h(t) have the same energy density spectrum
A signal f(t) and its Hilbert transform, f_h(t) have the same auto correlation function
A signal f(t) and its Hilbert transform are mutually orthogonal

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

⇒ An electromechanical closed loop control system has the following characteristics equation :s³ + 6Ks² + (K + 2)s
K = 0.528
K = 2
K = 0
K = -2528

⇒

Assertion (A): The gain of an FET amplifier can be changed by changing g_m

Reason (R): Most receivers use automatic gain control to counteract changes in volume caused by fading

Both A and R are correct and R is correct explanation for A
Both A and R are correct but R is not correct explanation for A
A is correct R is wrong
A is wrong R is correct

⇒ In a N-P-N transistor, when emitter junction is forward biased and collector junction is reverse biased, the transistor will operate in
active region
saturation region
cut of region
inverted region

⇒ In figure the output v(t)
phase modulated signal
amplitude modulated signal
frequency modulated signal
none of the above

⇒ In audio cassettes the width of each recording track is
5 mm
2.5 mm
1.5 mm
1 mm

⇒ In case of surface waves the field strength at a point is directly proportional to
antenna height
wave frequency
current of the antenna
distance of the point from the antenna

⇒ The output impedance of an ideal op-amp is
zero
low
high
infinite

⇒ Distances near the skip distance should be used for sky-wave propagation
to avoid the Faraday effect
to avoid tilting
to prevent sky-wave and upper ray interference
so as to exceed the critical frequency

⇒ A coil resonates at 1 MHz with a resonating capacitance of 72 pF. At 500 pF, resonance is obtained with a resonating capacitor of 360 pF. The self capacitance of coil is
12 pF
24 pF
30 pF
72 pF

⇒ A 2 bit binary multiplier can be implemented using
2 inputs ANDs only
2 I/P XOR and 4 I/P AND gate only
two 2 inputs NORs and One XNOR gate
XOR gates and shift registers

⇒ If the inputs to a 2 input XOR gate are high then, the output is high.
TRUE
FALSE

⇒ A multivibrator can be used as a
cavity resonator
harmonic generator
wave form modifier
any of the above

⇒ In a series RLC circuit excited by e = E_m sin ωt is seen that LC < 1/ω². Then
I lags E
I leads E
I leads E are in phase
voltage across L and C are equal

⇒ For underdamped second order systems the rise time is the time required for the response to rise from
0% to 100% of its final value
10% to 90% of its final value
5% to 95% of its final value
either (a) or (b)