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You Are On Multi Choice Question Bank SET 1022

51101. A JFET data sheet specifies VGS(off) = –10 V and IDSS = 8 mA. Find the value of ID when VGS = –3 V.





51102. Identify the n-channel E-MOSFET.





51103. If VD is less than expected (normal) for a self-biased JFET circuit, then it could be caused by a(n)





51104. ‘Calcutta Chromosome’ is the famous book is written by?





51105. When biased as a variable resistor, JFET resistance (RDS) increases as VGS becomes more negative.



51106. The arrow on the schematic symbol for a MOSFET indicates the channel material type.



51107. A VMOS device can handle higher power and voltage than a conventional MOSFET.



51108. It is not necessary to exercise any particular care in handling a MOSFET.



51109. The Q-point in a JFET with voltage-divider bias is more stable than in a self-biased JFET.



51110. One advantage of a JFET over the BJT is its high input resistance.



51111. An E-MOSFET can be operated with either positive or negative values of VGS.



51112. The MOSFET has no pn junction.



51113. The JFET operates with a reverse-biased pn junction (gate-to source).



51114. The three FET terminals are called source, base, and drain.



51115. The E-MOSFET has no physical channel.



51116. For a JFET, the value of VDS at which ID becomes essentially constant is the





51117. The ________ has a physical channel between the drain and source.




51118. Refer to figure given below. Calculate the value of VDS.





51119. Refer to figure shown below. Determine the value of VS.





51120. A self-biased n-channel JFET has a VD = 6 V. VGS = –3 V. Find the value of VDS.





51121. What is the first phase of the dual-slope method of conversion?





51122. What is the maximum conversion time of a clock rate of 1 MHz operating a 10-stage counter in an ADC?





51123. On which of the following does the conversion depend in ladder-network conversion?





51124. The voltage-controlled oscillator is a subset of the "test bench" function generator.



51125. Which application best describes this 555 timer circuit?





51126. Which of the following applications include a phase-locked loop (PLL) circuit?





51127. Determine the free-running frequency when R3 is set to 2.5 k.





51128. This figure is a block diagram of a(n) ________.





51129. What is the function of a ladder network?





51130. Which of the slope intervals of the integrator does the counter in the analog-to-digital converter (ADC) operate?





51131. A 311 IC is an example of an eight-pin DIP that can be made to function as a ________.





51132. Determine the free-running frequency for this circuit.





51133. What is (are) the level(s) of the input voltage to a ladder-network conversion?





51134. The substance that is least prone to catch and spread fire is?





51135. At which of the following period(s) is the counter advanced (incremented) in dual-slope conversion?





51136. How many Vcc connections does the 565 PLL use?





51137. What is (are) the input(s) to the comparator in the ladder-network conversion of an ADC?





51138. This circuit is an example of a ________.





51139. A collection of cattle is ..........?





51140. How many comparators does a 339 IC contain?





51141. When is the counter set to zero in the dual-slope method of conversion?





51142. The 555 timer IC is made up of a combination of linear comparators and digital flip-flops.



51143. If all plants of the world die, then all the animals will die due to?





51144. Which of the following devices is (are) a component of a digital-to-analog converter (DAC)?





51145. Which of the following circuits is (are) linear/digital ICs?





51146. Which of the following best describes the output of a 566 voltage-controlled oscillator?





51147. What is the voltage resolution of an 8-stage ladder network?





51148. The timing components for a PLL are 15 k and 220 pF. Calculate the free-running frequency.





51149. Which of the following frequencies is associated with the 565 frequency-shift keyed decoder?





51150. Calculate the frequency of this circuit.





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