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ESE EC Exam 2018: Practice Quiz 5
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Question 1
A tuned-collector oscillator has a fixed inductance of and has to be tunable over the frequency band of 500 kHz to 1500 kHz. What is the range of variable capacitor to be used?
Question 2
A parallel-plate capacitor is made of two circular plates separated by a distance of 5 mm and with a dielectric constant of 2.2 between them. When the electric field in the dielectric is 3 × 104 V/m, the charge density of the positive plate will be, nearly
Question 3
In Avalanche Multiplication Breakdown Common Emitter, which number shows holes generated e-p pairs in C-B depletion region?
Question 4
In amplifier circuit shown, what is use of capacitor C1 connected across 1 KΩ emitter resistor as shown in figure?
Question 5
A Zener diode acts as normal PN junction diode when:
Question 6
Find the value of Norton resistance between terminal a & b in the circuit shown?
Question 7
Minimisation of logic function is done to:
Question 8
In an RTL NOR gate shown, for output Q high:
Question 9
The system matrix of a continuous time system is given by
A =
Then the characteristic equation is
A =
Then the characteristic equation is
Question 10
Good voice reproduction via PCM requires 128 quantization levels. If bandwidth of voice channel is 4 kHz, then data rate is
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ESE & GATE ECGeneralMay 5ESE & GATE EC