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Mutual impedance is not depend upon | |
A. | magnitude of induced current [Wrong Answer] |
B. | tuning condition [Wrong Answer] |
C. | self impedance [Correct Answer] |
D. | phase relationship between induced and original currents [Wrong Answer] |
View Answer
Explanation:-
Answer : C Discuss it below : !! OOPS Login [Click here] is required to post your answer/result |
Also Read Similar Questions Below :
⇒ The unit for luminous energy is
lumens/sec
lumens/m^{2}
lumen-sec
lumen/m
⇒ In a Hurwitz polynomial
all coefficients are non-negative
the coefficients may be positive or negative
all coefficients are negative
all coefficients are non-negative and all zeros should be either in left half plane or simple on the imaginary axis
⇒ The current I in the circuit show
- j1 A
j1 A
0
20 A
⇒ In 2's complement form, - 2 is
1011
1110
1100
1010
⇒ In each of circuits below, indicate which diode is conduct
Figure A
Figure B
Figure C
All the three
⇒ A static excitation system uses
transformer and thyristors
transformer and ac exciter
dc exciter and ac exciter
transformer and dc exciter
⇒ Which of the following can provide a digital signal?
Slow change in the value of a resister
Sine wave
Square wave
Gradual turning of a potentiometer
⇒ A delta modulation system is designed to operate at 3 times the Nyquist rate for a signal with a 3 KHz bandwidth. The quantization step size is 250 mv. The maximum amplitude of a 1 KHz input sinusoidal for which the delta modulator does not show slope overload is :
716.2 mV
500 mV
647.87 mV
400 mV
⇒
A-4, B-1, C-2, D-3
A-1, B-2, C-3, D-4
A-3, B-1, C-2, D-4
A-1, B-3, C-4, D-1
⇒ A Darlington pair has β = 300. If R_{E} = 1 kΩ and R_{L} = 100 Ω, the input impedance at the base is approximately
300 k ohm
3 k ohm
100 k ohm
30 k ohm
⇒ The bandwidth of DSB suppressed carrier modulation system when the modulating frequency varies between 500 Hz and 5 kHz is
555 kHz
505 kHz
500 kHz
9 kHz
⇒ In satellite communication, highly directional antennas are used to
direct the spot beam to a particular region of space on Earth
strengthen the beam to overcome the cosmic noise
make corrections in change of polarisation of the beam
select a particular channel in transmission and reception
⇒ Read the following statements
1 only
1, 2
1, 2, 3
2, 3
⇒ A zero mean white Gaussian noise is passed through an ideal low pass filter of bandwidth 10 kHz. The output of the samples so obtained would be
correlated
statistically independent
uncorrelated
orthogonal
⇒ A half adder adds
2 bits
3 bits
4 bits
2 or 3 bits
⇒ If a microcomputer has a 64 K memory; what is the hexadecimal notations for the first memory location?
AAAA
FFFF
AAA0
0
⇒ Figure shows the variation of Z(ω) for a positive real function. The functio
RC impedance
RL impedance
RLC impedance
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⇒ The signal input to a given amplifier is made up of 100 mΩ signal power and 1 mΩ noise power. The amplifier contributes an additional 100 mΩ of noise and has a power gain of 20 dB. The output signal-to-noise ratio is
100
50
10
5
⇒ In a telephone system, the grade of service means
the quality of sound reception at the receiver telephone
the probability that a called for connection is established
the type of wires cables used for the system
none of the above
⇒ Transistor T_{1} operates at 30 kHz and T_{2} operates at 300 Hz. The flicker noise is
not depend on frequency
T_{1} > T_{2}
T_{1} = T_{2}
T_{1} < T_{2}
⇒ In a series R-L circuit when excited by a 1 volt battery the current is 1 - e^{-t}. If it is excited by a source 2 sin t, the current will be
2 sin (t - 45°) + e^{-t}
2 sin (t + 45°) + e^{-t}
sin (t - 45°) + e^{-t}
sin (t + 45°) + e^{-t}
⇒ In decimal system the base of radix is
0
1
10
e
⇒ If E_{y} is the voltage applied to Y plates, the vertical deflection of beam is proportional to
E_{y}
E_{y}
E_{y}^{1.5}
E_{y}^{2}
⇒ Gain margin and phase margin can be determined from Bode plots as well as Nyquist plot.
TRUE
FALSE
⇒ In 8085 microprocessor, when TRAP interrupt is triggered program control is transferred to location
0020 H
0024 H
0028 H
002 CH
⇒
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
⇒ Microwaves are used for
telephony
radio broadcast
TV systems
all of the above
⇒ Peak to peak value of a sine wave is equal to twice the peak value
TRUE
FALSE
⇒ Which of the following is the abnormal phenomena observed in the ionosphere?
Communication link interference
Sun spot cycle
Fading and whistlers
Tides and winds
⇒ When the modulating frequency is doubled, the modulation index is halved and the modulating voltage remains constant. The modulation system is
FM
AM
phase modulation
none of the above
⇒ The unit for luminous energy is
lumens/sec
lumens/m^{2}
lumen-sec
lumen/m
⇒ In a Hurwitz polynomial
all coefficients are non-negative
the coefficients may be positive or negative
all coefficients are negative
all coefficients are non-negative and all zeros should be either in left half plane or simple on the imaginary axis
⇒ The current I in the circuit show
- j1 A
j1 A
0
20 A
⇒ In 2's complement form, - 2 is
1011
1110
1100
1010
⇒ In each of circuits below, indicate which diode is conduct
Figure A
Figure B
Figure C
All the three
⇒ A static excitation system uses
transformer and thyristors
transformer and ac exciter
dc exciter and ac exciter
transformer and dc exciter
⇒ Which of the following can provide a digital signal?
Slow change in the value of a resister
Sine wave
Square wave
Gradual turning of a potentiometer
⇒ A delta modulation system is designed to operate at 3 times the Nyquist rate for a signal with a 3 KHz bandwidth. The quantization step size is 250 mv. The maximum amplitude of a 1 KHz input sinusoidal for which the delta modulator does not show slope overload is :
716.2 mV
500 mV
647.87 mV
400 mV
⇒
Match the following:
List I (Binary) | List II (Hexadecimal) | ||
---|---|---|---|
A. | 10101010 | 1. | FF |
B. | 11111111 | 2. | 88 |
C. | 10001000 | 3. | 92 |
D. | 10010010 | 4. | AA |
A-4, B-1, C-2, D-3
A-1, B-2, C-3, D-4
A-3, B-1, C-2, D-4
A-1, B-3, C-4, D-1
⇒ A Darlington pair has β = 300. If R_{E} = 1 kΩ and R_{L} = 100 Ω, the input impedance at the base is approximately
300 k ohm
3 k ohm
100 k ohm
30 k ohm
⇒ The bandwidth of DSB suppressed carrier modulation system when the modulating frequency varies between 500 Hz and 5 kHz is
555 kHz
505 kHz
500 kHz
9 kHz
⇒ In satellite communication, highly directional antennas are used to
direct the spot beam to a particular region of space on Earth
strengthen the beam to overcome the cosmic noise
make corrections in change of polarisation of the beam
select a particular channel in transmission and reception
⇒ Read the following statements
- The circuitry of ripple counter is more complex than that of synchronous counter.
- The maximum frequency of operation of ripple counter depends on the modulus of the counter.
- The maximum frequency of operation of synchronous counter does not depend on the modulus of the counter.
1 only
1, 2
1, 2, 3
2, 3
⇒ A zero mean white Gaussian noise is passed through an ideal low pass filter of bandwidth 10 kHz. The output of the samples so obtained would be
correlated
statistically independent
uncorrelated
orthogonal
⇒ A half adder adds
2 bits
3 bits
4 bits
2 or 3 bits
⇒ If a microcomputer has a 64 K memory; what is the hexadecimal notations for the first memory location?
AAAA
FFFF
AAA0
0
⇒ Figure shows the variation of Z(ω) for a positive real function. The functio
RC impedance
RL impedance
RLC impedance
Reactance function
⇒ The signal input to a given amplifier is made up of 100 mΩ signal power and 1 mΩ noise power. The amplifier contributes an additional 100 mΩ of noise and has a power gain of 20 dB. The output signal-to-noise ratio is
100
50
10
5
⇒ In a telephone system, the grade of service means
the quality of sound reception at the receiver telephone
the probability that a called for connection is established
the type of wires cables used for the system
none of the above
⇒ Transistor T_{1} operates at 30 kHz and T_{2} operates at 300 Hz. The flicker noise is
not depend on frequency
T_{1} > T_{2}
T_{1} = T_{2}
T_{1} < T_{2}
⇒ In a series R-L circuit when excited by a 1 volt battery the current is 1 - e^{-t}. If it is excited by a source 2 sin t, the current will be
2 sin (t - 45°) + e^{-t}
2 sin (t + 45°) + e^{-t}
sin (t - 45°) + e^{-t}
sin (t + 45°) + e^{-t}
⇒ In decimal system the base of radix is
0
1
10
e
⇒ If E_{y} is the voltage applied to Y plates, the vertical deflection of beam is proportional to
E_{y}
E_{y}
E_{y}^{1.5}
E_{y}^{2}
⇒ Gain margin and phase margin can be determined from Bode plots as well as Nyquist plot.
TRUE
FALSE
⇒ In 8085 microprocessor, when TRAP interrupt is triggered program control is transferred to location
0020 H
0024 H
0028 H
002 CH
⇒
Assertion (A): In a parallel circuit with three branches having R, L and C respectively and fed by a step current I, the current through inductance is always zero.
Reason (R): The time constant of R-L circuit is L/R.
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
⇒ Microwaves are used for
telephony
radio broadcast
TV systems
all of the above
⇒ Peak to peak value of a sine wave is equal to twice the peak value
TRUE
FALSE
⇒ Which of the following is the abnormal phenomena observed in the ionosphere?
Communication link interference
Sun spot cycle
Fading and whistlers
Tides and winds
⇒ When the modulating frequency is doubled, the modulation index is halved and the modulating voltage remains constant. The modulation system is
FM
AM
phase modulation
none of the above