Q.19 Calculate the maximum conversion time for a 10 bit A/D converter driven by input clock of 500 kHz.Ans 1. 2.048 nanosecond2. 2.048 millisecond3. 204.8 millisecond4. 2.048 microsecondCorrect Ans Provided: 2

Q.20Ans 1. 1.7 V2. 1.5 V3. 1.2 V4. 1.8 VCorrect Ans Provided: 2

Q.18Ans 1.2.3.4.Correct Ans Provided: 1

Q.17Ans 1. β =0.3, narrowband FM2. β =0.2, broadband FM3. β =0.3, broadband FM4. β =0.2, narrowband FMCorrect Ans Provided: 4

Q.16 For Frequency Modulation, the maximum frequency deviation occurs:Ans 1. when modulating signal is at its average value2. at the negative peak of the modulating signal3. at the zero crossings of the modulating signal4. when modulating signal is ...

Q.14 To obtain a high current gain:Ans 1. the emitter should be lightly doped2. the base should be thin and heavily doped3. the base should be thick and heavily doped4. the emitter should be heavily dopedCorrect Ans Provided: ...

Q.15 A _________ oscillator uses an inductive divider for feedback.Ans 1. Colpitts2. Hartley3. Wein-bridge4. Phase shiftCorrect Ans Provided: 2

Q.13 There are two coils having coefficient of coupling 0.8. The current in coil 1 is 2 A and the total flux 0.4 m Wb. The voltage induced in coil 2 is 50 volts when the current in ...

Q.12 The minimum number of flipflops required to generate the sequence …1101011… is:Ans 1. 32. 63. 44. 5Correct Ans Provided: 1

Q.11 Which of the following is FALSE for power measurement in three-phase systems?Ans 1. In Delta-Connected System for Two-wattmeter Method, sum of the two wattmeter readings is equal to the total power consumed by the load irrespective of ...