magicgeek9457 magicgeek9457
  • 01-09-2020
  • Physics
contestada

1. A signal source has an open-circuit voltage of 1V, and a short-circuit current of10mA. What is the source resistance

Respuesta :

barackodam barackodam
  • 04-09-2020

Answer:

100 Ω

Explanation:

Given that

Open circuit voltage, V = 1 V

Short circuit current, I = 10 mA

Source resistance R, = ?

This is rather a straight forward question. Remember Ohms Law? Current being directly proportional to the voltage and inversely proportional to the resistance?

Yeah, that's the formula we'd be using.

Ohms Law states that V = IR, and thus, if we make R subject of the formula, we have

R = V / I, on substituting the values, we have

R = 1 / 10*10^-3

R = 1 / 0.01

R = 100 Ω

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