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UPPCL AE 2018: Quiz 17

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Question 1

A phase-shift oscillator employs the phase- shift network shown in Figure. If each RC section produces a phase shift of 60 ° at 900 kHz, what will be the frequency of oscillations?

Question 2

Find the value of


Question 3

A switching circuit is given below. Based on this circuit the boolean expression for the bulb is __________.

Question 4

Find the flux density at a point A (4, 2, -3) caused by a point charge of 15 mc at the P(2,1,0).

Question 5

Find the equivalent impedance of the circuit shown, if frequency is 60Hz and voltage v(t) is

Question 6

The mean free path for electron drift increases with

Question 7

What is the limit of , below which reliable communication is not possible?

Question 8

What is equal to?

Question 9

Which of the following country is not a member of 'The Indian Ocean Rim Association (IORA)'?

Question 10

A sum of money is lent at p% per annum simple interest for two years. Instead if it had been lent at twice p% per annum for t more years, then the interest would have been 5 times the earlier interest, find the value of t.
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May 9ESE & GATE EC