RRB JE 2019: Practice Quiz 3

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Question 1

The main advantage of time division multiplexing (TDM) over frequency division multiplexing (FDM) is tha: it

• Arequires less bandwidth
• Brequires less power
• Crequires simple circuitry
• Dprovide better signal-to-noise ratio

Question 2

If the input to the circuit of Figure is a sine wave, then the output will be:

• AHalf wave rectified sine wave
• BA full wave rectified sine wave
• CA square wave
• DA triangular wave

Question 3

Expression for in figure, where and are Boolean variables is

• A
• B
• C
• D

Question 4

A power MOSFET is a

• ACurrent controlled device
• BFrequency controlled device
• CVoltage controlled device
• DNone of the above

Question 5

The equivalent capacitance across ‘ab’ will be

• A0.2μF
• B0.1μF
• C0.5μF
• D0

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