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EKT EC 2018 Quiz 3

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Question 1

If one root of the equations x² + 2x + 3k = 0 and 2x² + 3x + 5k = 0 is common then the value of k is-

Question 2

A car travels 25km an hour faster than a bus for a journey of 500km. The bus takes 10 h more than the car. If speed of car is p and speed of bus is q, then

Question 3

If two mirrors are kept at 60° to each other, then the number of images formed by them is:

Question 4

If an atom loses one or more electrons, it becomes ___________.

Question 5

If receiver has an available power gain of 110 dB and a noise bandwidth of 100 MHz, the available output noise power of receiver is (T= 300 ^oK)

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ESE & GATE EC General

Jun 9ESE & GATE EC