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Digital Signal Processing - Technical MCQs

Q1:

A binary-weighted-input digital-to-analog converter has an input resistor of 100 k. If the resistor is connected to a 5 V source, current through the resistor is ________.

A 50 mA

B 50 A

C 5 mA

D 500 A

ANS:B - 50 A

V = I* R.
I = V/R.
I = 5/(100*10^3).
I = 0.00005.
I = 50*10^-6.
I = 50 microA.