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UP polytechnic Lecturer (EE) Quiz 39
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Question 1
Match List-I with List-II
Question 2
Match List-I with List-II
Question 3
Which of the following transfer function does not have negative real part for s = jω for all ω ∈ [0, ∞)?
Question 4
A balanced delta-connected load (20 + j16) ohm /phase is connected to a 3-phase 230 V balanced supply. The line current and the real power drawn respectively are ___________.
Question 5
A parallel-plate capacitor has plates of dimensions 2 cm by 3 cm, separated by a 1 mm thickness of paper with relative permittivity 3.7. Permittivity of free space, Find the capacitance.
Question 6
What is the total electric flux through the surface of a sphere that has a radius of 1 m and carries a charge of 1 μC at its centre? Coulomb constant is given by ∈0 is the permittivity of free space.
Question 7
The charging reactance of 50 km length of the line is 1500 Ω. What will be the charging reactance for 100 km length of the line?
Question 8
A factory draws 100 kW at 0.8 p.f. lagging from a 3-phase, 11 kV supply. It is desired to raise the p.f. to unity using capacitor bank. The total power rating of the capacitor bank is
Question 9
Which of the statement given below is/are correct?
(a) BJT is a current controlled device with high input impedance and high gain bandwidth.
(b) UJT is a positive resistance device and used as oscillator.
(c) FET is a voltage-controlled device with high input impedance and gain bandwidth.
(d) BJT, FET, UJT can all be used for amplification
Question 10
A semiconductor device made out of a material having very high temperature coefficient of resistance is:-
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AE & JE ExamsNov 25AE & JE Exams