Archives: Quizzes

Which of the following transistor(s) has (have) depletion and enhancement types? BJT JFET MOSFET None of the above For a FET when will maximum current flows? Vgs = 0V Vgs = 0v and Vds >= |Vp| VDS >= |Vp| Vp = 0 The...

When a silicon diode is forward biased, what is VBE for a C-E configuration? voltage-divider bias emitter voltage 0.7 V 0.4 V What is the current gain for a common-base configuration where IE = 4.2 mA and IC = 4.0 mA? 16.80 1.05...

Determine the values of A, B, C, and D that make the sum term  equal to zero. A = 1, B = 0, C = 0, D = 0 A = 1, B = 0, C = 1, D = 0 A = 0, B = 1, C = 0, D = 0 A = 1, B = 0, C = 1, D = 1 Which of the following expressions is in...

Which of the following oscillators is suitable for frequencies in the range of megahertz? RC phase shift Wien bridge Hartley Both (a) and (c) In a half-wave rectifier, if an a.c supply is 60 Hz. Then what is the a.c ripple at...

The center frequency of a band-pass filter is always equal to the bandwidth –3 dB frequency bandwidth divided by Q the geometric average of the critical frequencies The formula  shows that for a given capacitor, if the voltage...