#### Electronics :: All Aptitude Test ::

 1. The maximum voltage across capacitor would be? A. 3200 V B. 3 V C. 3 V D. 3200 V

 2. Find the resonant frequency for the circuit? A. 346 kHz B. 55 kHz C. 196 kHz D. 346 kHz

 3. Determine the resonant frequency of the circuit? A. 12 9 . kHz B. 12.9 MHz C. 2.05 MHz D. 12 9 . kHz

 4. The value of C and A for the given network function is? A. 10 µF, 6 B. 5 µF, 10 C. 5 µF, 6 D. 10 µF, 6

 5. H(w) = Vo/Vi = ? A. 0.6 / jw(1 + 0.2jw) B. 0.6 / jw(5 + jw) C. 3 / jw(1 + jw) D. 0.6 / jw(1 + 0.2jw)

 6. H(w) = Vo/Vi = ? A. 1 / jw(5 + j20w) B. 1 / jw(5 + j4w) C. 1 / jw(5 + j30w) D. 1 / jw(5 + j20w)

 7. The value of input frequency is required to cause a gain equal to 1.5. The value is? A. 20 rad/s B. 20 Hz C. 10 rad/s D. 20 rad/s

 8. In the circuit shown phase shift equal to 45 degrees and is required at frequency w = 20 rad/s. The value of R (in kilo-ohm) is? A. 200 B. 150 C. 100 D. 200

 9. For the circuit shown the input frequency is adjusted until the gain is equal to 0.6. The value of the frequency is? A. 20 rad/s B. 20 Hz C. 40 rad/s D. 20 rad/s

 10. The probability that more than 3 cars will arrive during any 10 min period is? A. 0.249 B. 0.143 C. 0.346 D. 0.249

 11. The probability that no car will arrive is? A. 0.516 B. 0.459 C. 0.246 D. 0.516

 12. The expect value of g(x) = X3 is? A. 48 B. 192 C. 36 D. 48

 13. The mean of the random variable x is? A. 1/4 B. 1/6 C. 1/3 D. 1/4

 14. The variance of the random variable x is? A. 1/10 B. 3/80 C. 5/16 D. 1/10

 15. The probability of the event{X  2.5, Y  6} is? A. 0.45 B. 0.50 C. 0.55 D. 0.45

 16. The probability of the event that X is less than three is? A. 0.45 B. 0.50 C. 0.55 D. 0.45

 17. Any signed negative binary number is recognized by its? A. MSB B. LSB C. Byte D. MSB

 18. The parameter through which 16 distinct values can be represented is known as? A. Bit B. Byte C. Word D. Bit

 19. If the decimal number is a fraction then its binary equivalent is obtained by the number continuously by 2? A. Dividing B. Multiplying C. Adding D. Dividing

 20. The representation of octal number (532.2)8 in decimal is? A. (346.25)10 B. (532.864)10 C. (340.67)10 D. (346.25)10

 21. The decimal equivalent of the binary number (1011.011)2 is? A. (11.375)10 B. (10.123)10 C. (11.175)10 D. (11.375)10

 22. The decimal equivalent of the octal number (645)8 is? A. (450)10 B. (451)10 C. (421)10 D. (450)10

 23. The largest two digit hexadecimal number is? A. (FE)16 B. (FD)16 C. (FF)16 D. (FE)16

 24. Representation of hexadecimal number (6DE)H in decimal? A. 6 * 162 + 13 * 161 + 14 * 160 B. 6 * 162 + 12 * 161 + 13 * 160 C. 6 * 162 + 11 * 161 + 14 * 160 D. 6 * 162 + 13 * 161 + 14 * 160

 25. The quantity of double word is? A. 16 bits B. 32 bits C. 4 bits D. 16 bits

 26. The given hexadecimal number (1E.53)16 is equivalent to? A. (35.684)8 B. (36.246)8 C. (34.340)8 D. (35.684)8

 27. The octal number (651.124)8 is equivalent to? A. (1A9.2A)16 B. (1B0.10)16 C. (1A8.A3)16 D. (1A9.2A)16

 28. The octal equivalent of the decimal number (417)10 is? A. (641)8 B. (619)8 C. (640)8 D. (641)8

 29. Convert the hexadecimal number (1E2)16 to decimal? A. 480 B. 483 C. 482 D. 480

 30. (170)10 is equivalent to? A. (FD)16 B. (DF)16 C. (AA)16 D. (FD)16

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