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ESE Technical Revision Quiz 28
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Question 1
Which of the following describe the correct properties of an emitter follower circuit?
1) It is a voltage series feedback circuit.
2) It is a current series feedback circuit.
3) Its voltage gain is less than unity.
4) Its output impedance is very low.
Select the correct answer form the codes given below:
1) It is a voltage series feedback circuit.
2) It is a current series feedback circuit.
3) Its voltage gain is less than unity.
4) Its output impedance is very low.
Select the correct answer form the codes given below:
Question 2
The received signal level for a particular digital system is –151 dBW and the effective noise temperature of the receiver system is 1500 K. The value of Eb/N0 required for a link transmitting 2400 bps is :
Question 3
Storage area for storing data to compensate for speed difference to handle data is done by:
Question 4
The Bode plot of the open-loop transfer function of a system is described as follows:
Slope – 40dB/decade ω < 0. rad/s
Slope– 20dB/decade 0.1 < ω < 10 rad/s
Slope 0 ω > 10 rad/s
The system described will have
Slope – 40dB/decade ω < 0. rad/s
Slope– 20dB/decade 0.1 < ω < 10 rad/s
Slope 0 ω > 10 rad/s
The system described will have
Question 5
In an R-2R ladder circuit, what will be the expression for equivalent resistance?
Question 6
The characteristic impedance η0 of a free space is
Question 7
Statement (I): Conduction takes place in an enhancement MOSFET only for gate voltages below the threshold level.
Statement (II): In an enhancement MOSFET, a channel of semiconductor of the same type as the source and drain is induced in the substrate by a positive voltage applied to the gate.
Statement (II): In an enhancement MOSFET, a channel of semiconductor of the same type as the source and drain is induced in the substrate by a positive voltage applied to the gate.
Question 8
Precision is composed of two characteristics, one is the number of significant figures to which a measurement may be made, the other is
Question 9
Polarization is characteristic of EM wave that gives the direction of
Question 10
If two wires carry current in opposite directions as shown, then which among the following correctly shows the involvement of magnetic force acting on each wire?
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ESE & GATE ECGeneralDec 28ESE & GATE EC