Question

Resistor performs amplitude scaling when x (t) is voltage, a is resistance and y (t) is output current.

(a) True

(b) False

I got this question in an online quiz.

This intriguing question originated from Basic Operations on Signals topic in division Signals and Systems Basics of Signals and Systems

Answer 1

Correct option is (b) False

To explain I would say: The given statement is not true. The relation between voltage, current and resistance is given by V = IR. Comparing with equation y (t) = a x (t), we can see that y (t) is the output voltage for given current x (t) with resistance R.