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Assertion (A): A transistor has lower voltage drop during conduction as compared to thyristor Reason (R): Transistors are manufactured in very high voltage and current ratings. | |
A. | Both A and R are correct and R is correct explanation of A [Wrong Answer] |
B. | Both A and R correct but R is not correct explanation of A [Wrong Answer] |
C. | A is correct but R is wrong [Correct Answer] |
D. | A is wrong but R is correct [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 :
⇒ In VCR the luminance signal is recorded by
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phase modulation
amplitude modulation
direct recording
⇒ In 8085 microprocessor, what is the length of SP (stack) pointer?
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12 bits
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⇒ Capacitive transducer is superior to inductive type for measurement of capacitance because of
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high accuracy
⇒ Which of the following options is the closest in meaning to the world be
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the number of electron-hole pairs generated per second due to thermal motion is always less than the number of electron-hole pairs lost per second due to recombination
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any of the above
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SQRT (3 * B ** 2 - 5 * A ** 2)
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⇒ In VCR the luminance signal is recorded by
frequency modulation
phase modulation
amplitude modulation
direct recording
⇒ In 8085 microprocessor, what is the length of SP (stack) pointer?
6 bits
8 bits
12 bits
16 bits
⇒ Capacitive transducer is superior to inductive type for measurement of capacitance because of
absence of non-linearity
high frequency response
small size
high accuracy
⇒ Which of the following options is the closest in meaning to the world be
cyclic
indirect
confusing
crooked
⇒ Measurement of Hall coefficient enables the determination of
mobility of charge carriers
type of the conductivity and concentration of charge carriers
temperature coefficient and thermal conductivity
fermi level and forbidden energy gap
⇒ In an intrinsic semiconductor, at a given temperature T
the number of electrons-hole pairs generated per second due to thermal motion are equal to the number of electron-hole pairs lost per second due to recombination
the number of electron-hole pairs generated per second due to thermal motion is always less than the number of electron-hole pairs lost per second due to recombination
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any of the above
⇒ Transverse magnetic (TM) waves have
magnetic field component H in the direction of propagation
electric field component E in the direction of propagation
magnetic field component H in the direction of propagation and no component of electric field E in this direction
electric field component E in the direction of propagation and no component of magnetic field H in this direction
⇒ 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
⇒ If σ is standard deviation, variation is
σ - 1
σ^{1.5}
σ^{2}
σ^{3}
⇒ In a tungsten filament lamp
the current at the instant of switching is less than operating current
the current at the instant of switching is more than operating current
the current at the instant of switching is equal to operating current
the current at the instant of switching may be less than or equal to operating current
⇒ A certain transistor has a_{dc} of 0.98 and a collectors leakage current of 5 μA. If I_{E} = 1 mA, the base current will be
35 μA
25 μA
15 μA
5 μA
⇒ As regards single phase dual converter
the change in operation from one quadrant to the other is faster in non-circulating current mode
the change in operation from one quadrant to the other is faster in circulating current mode
the time response to change in operation from one quadrant to other is the same in both the modes
the time response to change in operation from one quadrant to the other may be faster in any of the two modes
⇒ FORTRAN expression for 3b^{2}-5a^{2} is
SQRT (3 * B ** 2 - 5 * A ** 2)
SQRT 3 * B ** 2 - 5 * A ** 2
SQRT (3 * b ** 2 - 5 * a ** 2)
SQRT (3 * B ** 2) - SQRT (5 * A **2)
⇒ A single phase series converter is used for
high voltage output
high current output
high voltage and high current output
improving the circuit efficiency
⇒
Assertion (A): In drawing an electric circuit analogous to a mechanical circuit, spring is replaced by capacitance.
Reason (R): The behaviour of a spring and capacitor are similar.
Both A and R are true and R is correct explanation of A
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A is false but R is true
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- Cascaded amplifier
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1 and 2
1 and 3
2 and 4
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⇒ In static RAM 6264 the number of address inputs are
10
12
13
15
⇒ In a monolithic IC, resistors are formed from
ceramic material
manganin wire
P-type semiconductor
aluminium ribbon
⇒ Words having 8 bits are to be stored into computer memory. The number of lines required for writing into memory are
1
2
4
8
⇒ The network of the given figure
lag network
lead network
lag-lead network
any of the above
⇒ 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
⇒ In an ordinary thyristor
turn on and turn off times are equal
turn on time is more than turn off time
turn off time is more than turn on time
turn on time may be equal, less than or more than turn off time
⇒ Minimum number of 2-input NAND gates required to implement the function F = (x + y) (Z + W) is
3
4
5
6
⇒ Which camera tube has highest sensitivity and very wide spectral response?
Vidicon
Plumbicon
New vicon
Saticon
⇒ The signal to noise ratio in telemetry should be better than
5 db
10 db
25 db
60 db
⇒ Cross-over distortion behaviour is a characteristic of
class A output stage
class B output stage
class AB output stage
common base output stage
⇒ The dynamic impedance of an R-L and C parallel circuit at resonance is __________ ohm.
R/LC
C/LR
LC/R
L/CR
⇒ Radio broadcasts are generally
amplitude modulation
frequency modulation
both amplitude and frequency modulation
neither amplitude nor frequency modulation
⇒ The resolution of a DAC depends on which of the following?
The number of bits
Monotonicity
Reference voltage
The values of resistance
⇒ The resistance of a bulb at the time of full brightness is 1200 Ω. Then the resistance at room temperature is about
1200 Ω
120 Ω
600 Ω
10 Ω