Time Left - 15:00 mins

ISRO Electronics Exam 2017: Weekly Toppers Quiz 2

Attempt now to get your rank among 439 students!

Question 1

In Fig., what is the voltage gain of the amplifier without negative feedback?
      

Question 2

An aircraft has a wing span of 35 m.It is flying horizontally with a speed of Description: Description: E:\Gate\SSC-JE Electrical - Part 1\9_Electromagnetic-Induction-final_files\image131.png and the vertical component of earth’s field is Description: Description: E:\Gate\SSC-JE Electrical - Part 1\9_Electromagnetic-Induction-final_files\image132.pngT. The potential difference between the tips of the wings will be

Question 3

A moving coil galvanometer of resistance 25 Ohm is connected to a source of EMF 2V with a resistance of 3K Ohm in series obtained full-scale deflection of 30 units. When 3K Ohm resistance is replaced by  Resistance R, the deflection becomes 20 units. The value of R is approximately ______

Question 4

A galvanometer with a full-scale current of 10 mA has a resistance of The multiplying power of a shunt with this galvanometer is

Question 5

In the circuit shown in Fig., the wattmeter reads The total reactive power drawn by the balanced 3-phase load is…………………..

Question 6

If the p.f. of the load (phase sequence is RYB) in Fig. is 0.4, then………………

Question 7

Fig. shows the negative voltage feedback amplifier. What is the value of feedback fraction?

Question 8

Fig. shows the circuit of a negative voltage feedback amplifier. What is the feedback fraction

Question 9

For the emitter follower circuit shown in Fig., the approximate input impedance of the emitter follower is

Question 10

Which of the following measures cannot be effective in reducing the noise?

Question 11

What does the transfer function of a system describe for the system?

Question 12

The signaling information in a 30-channel PCM system has a bit rate of

Question 13

The noise figure of a device is 2. If input SNR is 37 dB, what would be output SNR?

Question 14

Laplace transform of e-at f(t) is

Question 15

The Algebraic multiplicity of the matrix A =is
  • 439 attempts
  • 5 upvotes
  • 6 comments
Jul 2ESE & GATE EC