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Consider the following
| |
A. | 1 only [Wrong Answer] |
B. | 1, 2 and 3 [Correct Answer] |
C. | 1, 2 only [Wrong Answer] |
D. | 1 and 3 [Wrong Answer] |
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Explanation:-
Answer : B Discuss it below : !! OOPS Login [Click here] is required to post your answer/result |
Also Read Similar Questions Below :
⇒
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
⇒ Consider the following statements : A clamper circuit
1, 2
1, 3
1, 2, 3
2, 3
⇒ Peak to peak value of a sine wave is equal to twice the peak value
TRUE
FALSE
⇒
A-1, B-2, C-3, D-4
A-2, B-3, C-4, D-1
A-4, B-1, C-3, D-2
A-4, B-3, C-1, D-2
⇒ In 2's complement form, - 2 is
1011
1110
1100
1010
⇒ An R-L circuit has an initial current of 5 A. In the s-domain equivalent circuit, the voltage source to take into account the initial current has a strength of
5L volts
5/L volts
5L^{2} volts
5/L^{2} volts
⇒ Transfer function of a linear system is 200 e^{-j10ω} The system is a
distortionless Attenuator
amplifier with Phase distortion
distortionless Amplifier
attenuator with Phase distortion
⇒ Positive feedback is mainly used in
oscillators
thyristors
voltage regulators
both (a) and (b)
⇒ In the given figure shows the equivalent circuit of a magic tee. If all ports are mat
n_{E} = n_{H} = 2
n_{E} = n_{H} = 0.707
n_{E} = 2, n_{H} = 0.707
n_{H} = 0.707, n_{H} = 2
⇒ In a digital voltmeter the oscillator frequency is 400 kHz and the ramp voltage falls from 8 V to 0 V in 20 ms. What is the number of pulses counted by the counter?
800
2000
4000
8000
⇒ The analog signal given below is sampled by 600 samples per second for m(t) = 3 sin 500 pt + 2 sin 700 pt then folding frequency is
500 Hz
700 Hz
300 Hz
1400 Hz
⇒
A-2, B-3, C-4, D-1
A-3, B-2, C-4, D-1
A-1, B-2, C-3, D-4
A-4, B-2, C-3, D-1
⇒ The number of product terms in the minimized sum of product expression obtained through the following k map is (where "d" denotes don't care states)
2
3
4
5
⇒ Open-circuit voltage is the potential difference between two point when the impedance between these points is
zero
infinity
capacitive
reactive
⇒ A junction Field Effect Transistor can operate in
depletion mode only
enhancement mode only
depletion and enhancement modes
neither depletion nor enhancement modes
⇒ The storage capacity of DSDD disk and DSHD disk are
1.2 MB each
360 KB each
1.2 MB and 360 KB respectively
360 KB and 1.2 MB respectively
⇒ The braking torque in single phase energy meter is proportional to speed of disc.
TRUE
FALSE
⇒ Without any addition circuitry, an 8:1 MUX can be used to obtain.
some but not all Boolean functions of 3 variables
all functions of 3 variables but none of 4 variables
all functions of 3 variables and some but not all of 4 variables
all functions of 4 variables
⇒ A first-order system has a time constant t. For unit ramp input, the steady state error is
t^{2}
t
t
1/t
⇒ Assume that x = 7, the Java operation x = x - means that final value of x is
7
-1
6
-6
⇒ The state equations are in the form
X = AX + BW
X = AX + Bu
X = AX + Bx
either (a) or (b)
⇒ Consider a 565 PLL with R_{T} = 10 kΩ and C_{T} = 0.01 μF. What is the output frequency of the VCO?
10 kHz
5 kHz
2.5 kHz
1.25 kHz
⇒ In a series R, L, C circuit the impedance triangle is the same when X_{L} < X_{C} and X_{L} > X_{C} .
TRUE
FALSE
⇒ The 2732 is 4096 x 8 EPROM. How many address lines does it have?
12
24
50
100
⇒ Two coil have their axis perpendicular to each other. The coefficient of coupling k is
1
0.5
more than 0 but less than 1
0
⇒ Damping ratio =
actual resistance/critical resistance
critical resistance/actual resistance
critical resistance
none of the above
⇒ A dc chopper is feeding an RLE load. The condition for maximum ripple is
a = 1
a = 0.8
a = 0.5
a < 0.5
⇒ The drift velocity of electrons and holes is proportional to electric field strength.
TRUE
FALSE
⇒ To convert JK flip flop to D flip flop
connect D to both J and K
connect D to J directly and D to K through inverter
connect D to K directly and D to J through inverter
connect D to K and leave J open
⇒ The factor η for a UJT is about
0.1
0.2
0.6
0.9
⇒
Assertion (A): Class A and Class B amplifier predominate in audio applications.
Reason (R): Class C amplifier is used at radio frequencies.
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
⇒ Consider the following statements : A clamper circuit
- adds or subtracts a dc voltage to a waveform
- does not change the waveform
- amplifiers the waveform
1, 2
1, 3
1, 2, 3
2, 3
⇒ Peak to peak value of a sine wave is equal to twice the peak value
TRUE
FALSE
⇒
Match the following:
List I (Operator) | List II (Description) | ||
---|---|---|---|
A. | ! = | 1. | Left shift |
B. | = = | 2. | Right Shift |
C. | < < | 3. | Equal to |
D. | > > | 4. | Not equal to |
A-1, B-2, C-3, D-4
A-2, B-3, C-4, D-1
A-4, B-1, C-3, D-2
A-4, B-3, C-1, D-2
⇒ In 2's complement form, - 2 is
1011
1110
1100
1010
⇒ An R-L circuit has an initial current of 5 A. In the s-domain equivalent circuit, the voltage source to take into account the initial current has a strength of
5L volts
5/L volts
5L^{2} volts
5/L^{2} volts
⇒ Transfer function of a linear system is 200 e^{-j10ω} The system is a
distortionless Attenuator
amplifier with Phase distortion
distortionless Amplifier
attenuator with Phase distortion
⇒ Positive feedback is mainly used in
oscillators
thyristors
voltage regulators
both (a) and (b)
⇒ In the given figure shows the equivalent circuit of a magic tee. If all ports are mat
n_{E} = n_{H} = 2
n_{E} = n_{H} = 0.707
n_{E} = 2, n_{H} = 0.707
n_{H} = 0.707, n_{H} = 2
⇒ In a digital voltmeter the oscillator frequency is 400 kHz and the ramp voltage falls from 8 V to 0 V in 20 ms. What is the number of pulses counted by the counter?
800
2000
4000
8000
⇒ The analog signal given below is sampled by 600 samples per second for m(t) = 3 sin 500 pt + 2 sin 700 pt then folding frequency is
500 Hz
700 Hz
300 Hz
1400 Hz
⇒
Match the following:
List I (Set operation) | List II (Set operator) | ||
---|---|---|---|
A. | Set equality | 1. | - |
B. | Set inclusion | 2. | = |
C. | Set intersection | 3. | < = |
D. | Set difference | 4. | ∗ |
A-2, B-3, C-4, D-1
A-3, B-2, C-4, D-1
A-1, B-2, C-3, D-4
A-4, B-2, C-3, D-1
⇒ The number of product terms in the minimized sum of product expression obtained through the following k map is (where "d" denotes don't care states)
2
3
4
5
⇒ Open-circuit voltage is the potential difference between two point when the impedance between these points is
zero
infinity
capacitive
reactive
⇒ A junction Field Effect Transistor can operate in
depletion mode only
enhancement mode only
depletion and enhancement modes
neither depletion nor enhancement modes
⇒ The storage capacity of DSDD disk and DSHD disk are
1.2 MB each
360 KB each
1.2 MB and 360 KB respectively
360 KB and 1.2 MB respectively
⇒ The braking torque in single phase energy meter is proportional to speed of disc.
TRUE
FALSE
⇒ Without any addition circuitry, an 8:1 MUX can be used to obtain.
some but not all Boolean functions of 3 variables
all functions of 3 variables but none of 4 variables
all functions of 3 variables and some but not all of 4 variables
all functions of 4 variables
⇒ A first-order system has a time constant t. For unit ramp input, the steady state error is
t^{2}
t
t
1/t
⇒ Assume that x = 7, the Java operation x = x - means that final value of x is
7
-1
6
-6
⇒ The state equations are in the form
X = AX + BW
X = AX + Bu
X = AX + Bx
either (a) or (b)
⇒ Consider a 565 PLL with R_{T} = 10 kΩ and C_{T} = 0.01 μF. What is the output frequency of the VCO?
10 kHz
5 kHz
2.5 kHz
1.25 kHz
⇒ In a series R, L, C circuit the impedance triangle is the same when X_{L} < X_{C} and X_{L} > X_{C} .
TRUE
FALSE
⇒ The 2732 is 4096 x 8 EPROM. How many address lines does it have?
12
24
50
100
⇒ Two coil have their axis perpendicular to each other. The coefficient of coupling k is
1
0.5
more than 0 but less than 1
0
⇒ Damping ratio =
actual resistance/critical resistance
critical resistance/actual resistance
critical resistance
none of the above
⇒ A dc chopper is feeding an RLE load. The condition for maximum ripple is
a = 1
a = 0.8
a = 0.5
a < 0.5
⇒ The drift velocity of electrons and holes is proportional to electric field strength.
TRUE
FALSE
⇒ To convert JK flip flop to D flip flop
connect D to both J and K
connect D to J directly and D to K through inverter
connect D to K directly and D to J through inverter
connect D to K and leave J open
⇒ The factor η for a UJT is about
0.1
0.2
0.6
0.9