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Consider the following statements:
| |
A. | 1 only [Wrong Answer] |
B. | 2 only [Correct Answer] |
C. | 1 and 2 [Wrong Answer] |
D. | 2 and 3 [Wrong Answer] |
View Answer
Explanation:-
Answer : B Discuss it below : !! OOPS Login [Click here] is required to post your answer/result |
Also Read Similar Questions Below :
⇒ It has been found that in a rectifier circuit with RC filter one RC section reduces ripple by 15%. Two RC sections are used in cascade the reduction in ripple would be
0.15
0.3
1.5
2.25
⇒ The gain margin of first and second order systems is infinite.
TRUE
FALSE
⇒ The SCR would be turned OFF by voltage reversal of applied anode-cathode ac supply of frequency of
30 kHz
15 kHz
5 kHz
20 kHz
⇒ A conductor in x-y plane and having length 1 m is moving with a velocity V = (2i + 3j + k) m/sec. A magnetic induction field B = (i + 2j) Wb/m^{2} is applied to the conductor. The potential difference between the ends of the conductor is
0
4.88 V
6 V
None of these
⇒ Integrated fin line can be utilized as a medium for constructing millimeter wave circuits.
TRUE
FALSE
⇒ The most commonly used moving iron instruments are
repulsion type
attraction type
a combination of attraction and repulsion type
none of the above
⇒
Both A and R are true and R is correct explanation of A
Both A and R are true and R is not the correct explanation of A
A is true but R is false
A is false but R is true
⇒ Which of the following circuits can be used as parallel-to-series converter?
Digital counter
Decoder
Demultiplexer
Multiplexer
⇒ As regards ferromagnetic Curie temperature Q_{f} and paramagnetic curie temperature θ
Q_{f} > θ
θ > Q_{f}
θ equal to or less than Q_{f}
θ may be equal to less than or more Q_{f}
⇒ In figure I_{D} = 4 mA. Then V_{GS4.4 V-4.4 V0.44 V-0.44 V}
⇒ For the polynomial P(s) = s^{5} + s^{4} + 2s^{3} + 2s^{2} + 3s + 15 The number of roots which lie in the right half of the s plane is :
4
2
3
1
⇒ Power is drawn from a source at power factor 0.7. P_{av} = 300 watt. The reactive power is
0
105
100 VA
107 VA
⇒ Thyristors can be used for control of
dc separately excited motor
dc shunt motor
dc series motor
all of the above
⇒ In amplitude modulation, the magnitude of side bands is
ma/2 times the carrier amplitude, E_{c}
ma times the carrier amplitude, E_{c}
2ma times the carrier amplitude, E_{c}
4ma times the carrier amplitude, E_{c}
⇒ If the thermal resistance of a transistor is lower it means
higher junction temperature
lower junction temperature
higher or lower junction temperature depending on circuit conditions
higher or lower junction temperature depending on transistor
⇒ Loading effect is primarily caused by instruments having
high resistance
high sensitivity
low sensitivity
high range
⇒
A-4, B-3, C-2, D-1
A-3, B-4, C-2, D-1
A-1, B-2, C-3, D-4
A-2, B-3, C-4, D-1
⇒ A 10 μF capacitor is charged from a 5 volt source through a resistance of 10 kΩ. The charging current offer 35 m sec. If the initial voltage on C is - 3 V is
0.56 mA
5.6 mA
6 mA
5 μA
⇒ Both X and Y plates of a CRO are excited by ac signals. The display is an ellipse which makes one rotation in 5 seconds. This means that
the frequency of one input is 5 times that of other
the difference between the frequencies of the two signals is one fifth of hertz
the difference between the frequencies of the two signals is 5 Hz
either (a) or (c)
⇒ The stationary process has
all the statistical Properties dependent on time.
all the statistical Properties independent of time.
aime average is equal to ensemble average.
zero variance.
⇒ Bridge circuits using RTD in temperature measurement usually employ 3 lead system so as to obtain
higher sensitivity
better impedance matching
compensation for signal wire resistance
reduction in power consumption
⇒ The slew rate of an ideal op-amp is
very slow
slow
fast
infinitely fast
⇒ Two infinitely long wires carrying current are as shown in the figure below. One wire is in the y-z plane and parallel to the y-axis. The other wise is in the x-y plane and parallel to the x-axis. Which components of the resulting magnetic field are non-zero at the ori
x, y, z components
x, y components
y, z components
x, z components
⇒ Figure shows the variation of Z(ω) for a positive real function. The functio
RC impedance
RL impedance
RLC impedance
Reactance function
⇒ Transistor are free from which type of noise?
Resistance noise
Partition noise
Flicker noise
Shot noise
⇒ Equipment using BCD numbers
pocket calculators
electronic counter
digital voltmeters
all of the above
⇒ In 8086
the registers SI and DI are used for string operation
the registers CS and DS are used for string operation
the registers SS and ES are used for string operation
the registers SI and SP are used for string operation
⇒ The values of 2^{5} in octal system is
40
20
400
200
⇒ Spontaneous polarization occurs in ferroelectric materials.
TRUE
FALSE
⇒ A variable resistance R and capacitive reactance X_{C} are fed by an voltage. The current locus is
a semi circle in 4th quadrant
a semi circle in first quadrant
a straight line in 4th quadrant
a straight line first quadrant
⇒ It has been found that in a rectifier circuit with RC filter one RC section reduces ripple by 15%. Two RC sections are used in cascade the reduction in ripple would be
0.15
0.3
1.5
2.25
⇒ The gain margin of first and second order systems is infinite.
TRUE
FALSE
⇒ The SCR would be turned OFF by voltage reversal of applied anode-cathode ac supply of frequency of
30 kHz
15 kHz
5 kHz
20 kHz
⇒ A conductor in x-y plane and having length 1 m is moving with a velocity V = (2i + 3j + k) m/sec. A magnetic induction field B = (i + 2j) Wb/m^{2} is applied to the conductor. The potential difference between the ends of the conductor is
0
4.88 V
6 V
None of these
⇒ Integrated fin line can be utilized as a medium for constructing millimeter wave circuits.
TRUE
FALSE
⇒ The most commonly used moving iron instruments are
repulsion type
attraction type
a combination of attraction and repulsion type
none of the above
⇒
Assertion (A): In an R-L circuit having low resistance, current lags the voltage by nearly 90°.
Reason (R): Power factor of a series RL circuit is R/Z.
Both A and R are true and R is correct explanation of A
Both A and R are true and R is not the correct explanation of A
A is true but R is false
A is false but R is true
⇒ Which of the following circuits can be used as parallel-to-series converter?
Digital counter
Decoder
Demultiplexer
Multiplexer
⇒ As regards ferromagnetic Curie temperature Q_{f} and paramagnetic curie temperature θ
Q_{f} > θ
θ > Q_{f}
θ equal to or less than Q_{f}
θ may be equal to less than or more Q_{f}
⇒ In figure I_{D} = 4 mA. Then V_{GS4.4 V-4.4 V0.44 V-0.44 V}
⇒ For the polynomial P(s) = s^{5} + s^{4} + 2s^{3} + 2s^{2} + 3s + 15 The number of roots which lie in the right half of the s plane is :
4
2
3
1
⇒ Power is drawn from a source at power factor 0.7. P_{av} = 300 watt. The reactive power is
0
105
100 VA
107 VA
⇒ Thyristors can be used for control of
dc separately excited motor
dc shunt motor
dc series motor
all of the above
⇒ In amplitude modulation, the magnitude of side bands is
ma/2 times the carrier amplitude, E_{c}
ma times the carrier amplitude, E_{c}
2ma times the carrier amplitude, E_{c}
4ma times the carrier amplitude, E_{c}
⇒ If the thermal resistance of a transistor is lower it means
higher junction temperature
lower junction temperature
higher or lower junction temperature depending on circuit conditions
higher or lower junction temperature depending on transistor
⇒ Loading effect is primarily caused by instruments having
high resistance
high sensitivity
low sensitivity
high range
⇒
Match the following:
List I | List II | ||
---|---|---|---|
A. | CLP | 1. | Measure of μP clock speed |
B. | SHELL | 2. | Double sided double density |
C. | DSDD | 3. | Allows you to specify file as command processor |
D. | Megahertz | 4. | Microcode stored in ROM |
A-4, B-3, C-2, D-1
A-3, B-4, C-2, D-1
A-1, B-2, C-3, D-4
A-2, B-3, C-4, D-1
⇒ A 10 μF capacitor is charged from a 5 volt source through a resistance of 10 kΩ. The charging current offer 35 m sec. If the initial voltage on C is - 3 V is
0.56 mA
5.6 mA
6 mA
5 μA
⇒ Both X and Y plates of a CRO are excited by ac signals. The display is an ellipse which makes one rotation in 5 seconds. This means that
the frequency of one input is 5 times that of other
the difference between the frequencies of the two signals is one fifth of hertz
the difference between the frequencies of the two signals is 5 Hz
either (a) or (c)
⇒ The stationary process has
all the statistical Properties dependent on time.
all the statistical Properties independent of time.
aime average is equal to ensemble average.
zero variance.
⇒ Bridge circuits using RTD in temperature measurement usually employ 3 lead system so as to obtain
higher sensitivity
better impedance matching
compensation for signal wire resistance
reduction in power consumption
⇒ The slew rate of an ideal op-amp is
very slow
slow
fast
infinitely fast
⇒ Two infinitely long wires carrying current are as shown in the figure below. One wire is in the y-z plane and parallel to the y-axis. The other wise is in the x-y plane and parallel to the x-axis. Which components of the resulting magnetic field are non-zero at the ori
x, y, z components
x, y components
y, z components
x, z components
⇒ Figure shows the variation of Z(ω) for a positive real function. The functio
RC impedance
RL impedance
RLC impedance
Reactance function
⇒ Transistor are free from which type of noise?
Resistance noise
Partition noise
Flicker noise
Shot noise
⇒ Equipment using BCD numbers
pocket calculators
electronic counter
digital voltmeters
all of the above
⇒ In 8086
the registers SI and DI are used for string operation
the registers CS and DS are used for string operation
the registers SS and ES are used for string operation
the registers SI and SP are used for string operation
⇒ The values of 2^{5} in octal system is
40
20
400
200
⇒ Spontaneous polarization occurs in ferroelectric materials.
TRUE
FALSE
⇒ A variable resistance R and capacitive reactance X_{C} are fed by an voltage. The current locus is
a semi circle in 4th quadrant
a semi circle in first quadrant
a straight line in 4th quadrant
a straight line first quadrant