Users Also Read
MCQ's Search Engine
Electrical Engineering
Mechanical Engineering
Civil Engineering
Automobile Engineering
Chemical Engineering
Computer Engineering
Electronics Engineering
Medical Science Engg
Load Z_{L} for maximum power transfe | |
A. | R [Wrong Answer] |
B. | R + jωL [Wrong Answer] |
C. | R - jωL [Correct Answer] |
D. | none [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 :
⇒ A multivibrator generates
sinusoidal waveforms
non-sinusoidal waveforms
both (a) and (b)
none of the above
⇒ The forbidden energy gap between the valence band and conduction band will be wide in case of
semiconductors
all metals
good conductors of electricity
insulators
⇒ If the radiated power of AM transmitter is 10 kW, the power in the carrier for modulation index of 0.6 is nearly.
8.24 kW
8.47 kW
9.26 kW
9.6 kW
⇒ The range of values of a and b for which the linear time invariant system with impulse respon
|a| > 1, |b| > 1
|a| < 1, |b| < 1
|a| < 1, |b| > 1
|a| > 1, |b| < 1
⇒ 7483 is a TTL binary adder. It can add
two 4-bit binary numbers
four 6-bit binary numbers
four 8-bit binary numbers
any number of 4-bit numbers
⇒ An angle modulated signal is expressed by f_{a}(t) = cos (2 x 10^{8} pt) + 75 sin (2 x 10^{3} pt). The peak frequency deviation of the carrier is
1 kHz
7.5 kHz
75 kHz
100 MHz
⇒ In AM increased depth of modulation increases __________ and in FM with increased depth of modulation __________ increases.
total transmitted power, bandwidth
bandwidth, bandwidth
bandwidth, total transmitted power
total transmitted power, sideband power
⇒
A-4, B-2, C-1, D-3
A-3, B-2, C-1, D-4
A-4, B-1, C-2, D-3
A-3, B-1, C-2, D-4
⇒ A plane EM wave is travelling in an unbound loss less dielectric having μ_{y} = 1 and ε_{y} = 4, the time average Poynting vector of the wave is 5 W/m^{3} . The phase velocity v_{p} (assuming velocity of light as 3 x 10^{8} m/sec) is
1.5 x 10^{8} m/sec
3 x 10^{8} m/sec
2.5 x 10^{8} m/sec
0.5 x 10^{8} m/sec
⇒
A-2, B-3, C-1, D-4
A-4, B-3, C-2, D-1
A-3, B-2, C-4, D-1
A-1, B-2, C-3, D-4
⇒ In a dynamometer instrument, the moving coil is pressure coil.
TRUE
FALSE
⇒ When an ac circuit has sources of different frequencies, the only method of analysis is superposition theorem.
TRUE
FALSE
⇒ A receiver having an RF amplifier and an IF of 450 kHz, has Q of the coils 65 and an incoming frequency of 1200 kHz. The image rejection of the receiver is
5870
3655
236
13.3
⇒ In 8085 microprocessor, what is the length of IR (instruction register)?
6 bits
8 bits
12 bits
16 bits
⇒ An LED has a rating of 2 V and 10 mA. It is used along with 6V battery. The range of series resistance is
0 to 200 Ω
200 - 400 Ω
200 Ω and above
400 Ω and above
⇒ In an R-L circuit, the impedance is 30 Ω at a frequency of 100 Hz. At 200 Hz, the impedance should be
30 Ω or more
60 Ω or more
15 Ω or less
more than 30 Ω but less than 60 Ω
⇒ Radar principle is used in
detection of aircraft
burglar alarms
garage door openers
all of the above
⇒ An ac sinusoidal wave has an rms value of 10 V. The peak to peak value is
10 V
0 V
14.14 V
28.28 V
⇒ Binary 1111 when added to binary 11111, the result in binary is
111111
1111
1000
10000
⇒ A major advantage of TWT over a Klystron lies in its
higher bandwidth
higher gain
higher frequency
higher output
⇒ For transmission line load matching over a range of frequencies, it is best to use a
double stub
balun
single stub of adjustable position
broadband directional coupler
⇒ PCM employing 4 bit code is used to send data having frequency range from 0 to 2 kHz. The minimum required bandwidth of carrier channel is
2 kHz
4 kHz
8 kHz
16 kHz
⇒ If the target area is small compared to wavelength of radar the situation is called
resonance region
Rayleigh region
optical region
binomial region
⇒ Harmonic distortion analyser
measures amplitude of each harmonic
measures rms value of fundamental frequency component
measures rms value of all harmonics except fundamental frequency
displays rms value of each harmonic on screen of CRO
⇒ The phase difference (jω - p_{1}) means
phasor drawn from p_{1} to jω
phasor drawn from origin to p_{1}
phasor directed from origin to jω point
phasor directed from jω to p_{1}
⇒ The 2732 is 4096 x 8 EPROM. How many address lines does it have?
12
24
50
100
⇒
Both A and R are correct and R is correct explanation of A
Both A and R are correct but R is not correct explanation of A
A is correct but R is wrong
R is correct but A is wrong
⇒ If the energy is supplied from a source, whose resistance is 1 ohm, to a load of 100 ohms the source will be
a voltage source
a current source
both of the above
none of the above
⇒ The stud in a stud mounted SCR acts as
anode
cathode
gate
anode or cathode
⇒ DC servomotors are, generally
permanent magnet dc motors
shunt field motors
separately excited dc motors
none of the above
⇒ A multivibrator generates
sinusoidal waveforms
non-sinusoidal waveforms
both (a) and (b)
none of the above
⇒ The forbidden energy gap between the valence band and conduction band will be wide in case of
semiconductors
all metals
good conductors of electricity
insulators
⇒ If the radiated power of AM transmitter is 10 kW, the power in the carrier for modulation index of 0.6 is nearly.
8.24 kW
8.47 kW
9.26 kW
9.6 kW
⇒ The range of values of a and b for which the linear time invariant system with impulse respon
|a| > 1, |b| > 1
|a| < 1, |b| < 1
|a| < 1, |b| > 1
|a| > 1, |b| < 1
⇒ 7483 is a TTL binary adder. It can add
two 4-bit binary numbers
four 6-bit binary numbers
four 8-bit binary numbers
any number of 4-bit numbers
⇒ An angle modulated signal is expressed by f_{a}(t) = cos (2 x 10^{8} pt) + 75 sin (2 x 10^{3} pt). The peak frequency deviation of the carrier is
1 kHz
7.5 kHz
75 kHz
100 MHz
⇒ In AM increased depth of modulation increases __________ and in FM with increased depth of modulation __________ increases.
total transmitted power, bandwidth
bandwidth, bandwidth
bandwidth, total transmitted power
total transmitted power, sideband power
⇒
Match the following:
List I (Application of circuit) | List II (Circuit Name) | ||
---|---|---|---|
A. | Divider | 1. | Astable multivibrator |
B. | Clips input voltage at two predetermined levels | 2. | Schmitt trigger |
C. | Square wave generator | 3. | Bistable multivibrator |
D. | Narrow current pulse generator |
A-4, B-2, C-1, D-3
A-3, B-2, C-1, D-4
A-4, B-1, C-2, D-3
A-3, B-1, C-2, D-4
⇒ A plane EM wave is travelling in an unbound loss less dielectric having μ_{y} = 1 and ε_{y} = 4, the time average Poynting vector of the wave is 5 W/m^{3} . The phase velocity v_{p} (assuming velocity of light as 3 x 10^{8} m/sec) is
1.5 x 10^{8} m/sec
3 x 10^{8} m/sec
2.5 x 10^{8} m/sec
0.5 x 10^{8} m/sec
⇒
Match the following:
List I | List II | ||
---|---|---|---|
A. | Tunnel diode | 1. | is also known as hot carrier diode |
B. | PIN diode | 2. | used with reverse bias |
C. | Zener diode | 3. | has an intrinsic layer |
D. | Schottky diode | 4. | v-i curve has shape of N |
A-2, B-3, C-1, D-4
A-4, B-3, C-2, D-1
A-3, B-2, C-4, D-1
A-1, B-2, C-3, D-4
⇒ In a dynamometer instrument, the moving coil is pressure coil.
TRUE
FALSE
⇒ When an ac circuit has sources of different frequencies, the only method of analysis is superposition theorem.
TRUE
FALSE
⇒ A receiver having an RF amplifier and an IF of 450 kHz, has Q of the coils 65 and an incoming frequency of 1200 kHz. The image rejection of the receiver is
5870
3655
236
13.3
⇒ In 8085 microprocessor, what is the length of IR (instruction register)?
6 bits
8 bits
12 bits
16 bits
⇒ An LED has a rating of 2 V and 10 mA. It is used along with 6V battery. The range of series resistance is
0 to 200 Ω
200 - 400 Ω
200 Ω and above
400 Ω and above
⇒ In an R-L circuit, the impedance is 30 Ω at a frequency of 100 Hz. At 200 Hz, the impedance should be
30 Ω or more
60 Ω or more
15 Ω or less
more than 30 Ω but less than 60 Ω
⇒ Radar principle is used in
detection of aircraft
burglar alarms
garage door openers
all of the above
⇒ An ac sinusoidal wave has an rms value of 10 V. The peak to peak value is
10 V
0 V
14.14 V
28.28 V
⇒ Binary 1111 when added to binary 11111, the result in binary is
111111
1111
1000
10000
⇒ A major advantage of TWT over a Klystron lies in its
higher bandwidth
higher gain
higher frequency
higher output
⇒ For transmission line load matching over a range of frequencies, it is best to use a
double stub
balun
single stub of adjustable position
broadband directional coupler
⇒ PCM employing 4 bit code is used to send data having frequency range from 0 to 2 kHz. The minimum required bandwidth of carrier channel is
2 kHz
4 kHz
8 kHz
16 kHz
⇒ If the target area is small compared to wavelength of radar the situation is called
resonance region
Rayleigh region
optical region
binomial region
⇒ Harmonic distortion analyser
measures amplitude of each harmonic
measures rms value of fundamental frequency component
measures rms value of all harmonics except fundamental frequency
displays rms value of each harmonic on screen of CRO
⇒ The phase difference (jω - p_{1}) means
phasor drawn from p_{1} to jω
phasor drawn from origin to p_{1}
phasor directed from origin to jω point
phasor directed from jω to p_{1}
⇒ The 2732 is 4096 x 8 EPROM. How many address lines does it have?
12
24
50
100
⇒
Assertion (A): Potentiometers can not be used as error detectors in position control systems.
Reason (R): The resolution of a potentiometer places an upper limit on its accuracy
Both A and R are correct and R is correct explanation of A
Both A and R are correct but R is not correct explanation of A
A is correct but R is wrong
R is correct but A is wrong
⇒ If the energy is supplied from a source, whose resistance is 1 ohm, to a load of 100 ohms the source will be
a voltage source
a current source
both of the above
none of the above
⇒ The stud in a stud mounted SCR acts as
anode
cathode
gate
anode or cathode
⇒ DC servomotors are, generally
permanent magnet dc motors
shunt field motors
separately excited dc motors
none of the above