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ESE Technical Revision Quiz 29
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Question 1
A full wave rectifier uses two diodes. The internal resistance of each diode is 20Ω. The transformer RMS secondary voltage from centre tap of each end of secondary is 50 V and the load resistance is 980Ω. Mean load current will be.
Question 2
If an optical fiber link has length 0.5km for cable of length 850 and 1300 feet having 3 connectors without any splice, then what will be the loss in fiber optic cable?
Question 3
Self-referential structures of ‘C’ programming language are very useful in applications that involve
Question 4
The state space representation of a linear time invariant system is:
What is the transfer function H(s) of the system?
What is the transfer function H(s) of the system?
Question 5
The figure of merit of a logic family is given by the product of
Question 6
A charge ‘Q’ is divided between two point charges. What should be the values of this charge on the object so that the force between them is maximum?
Question 7
Given that at room temperature the volt equivalent of temperature 
hole mobility 
and the life time of holes is 130 ns, in a sample of n-type silicon bar that is exposed to radiation at one end at low-injection level, what is the diffusion length of holes?
hole mobility and the life time of holes is 130 ns, in a sample of n-type silicon bar that is exposed to radiation at one end at low-injection level, what is the diffusion length of holes? Question 8
Consider the following statements in connection with deflection-type and null-type instruments:
1) Null-type instruments are more accurate than the deflection-type ones.
2) Null-type of instrument can be highly sensitive compared to a deflection-type instrument.
3) Under dynamic conditions, null-type instruments are less preferred to deflection type instruments.
4) Response is faster in null-type instruments as compared to deflection-type instruments.
Which of the above statements are correct?
1) Null-type instruments are more accurate than the deflection-type ones.
2) Null-type of instrument can be highly sensitive compared to a deflection-type instrument.
3) Under dynamic conditions, null-type instruments are less preferred to deflection type instruments.
4) Response is faster in null-type instruments as compared to deflection-type instruments.
Which of the above statements are correct?
Question 9
Match List-I with List-II and select the correct answer using the code given below the lists:
List-I
A). Rectangular waveguide
B). Waveguide twists
C). Slotted section
D). Stub screws
List-II
1). Plane of polarization
2). Waveguide tuner
3). TE10 mode
4). VSWR measurements
List-I
A). Rectangular waveguide
B). Waveguide twists
C). Slotted section
D). Stub screws
List-II
1). Plane of polarization
2). Waveguide tuner
3). TE10 mode
4). VSWR measurements
Question 10
In mesh analysis circuit shown, find the expression for the required voltage at source?
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ESE & GATE ECGeneralDec 29ESE & GATE EC
