samuelmeier187 samuelmeier187

14-09-2020
Engineering

contestada

An electric circuit is composed of a 9 V battery and a light bulb with 2kΩ of resistance. What is the circuit current? (Answer in mA)

I already know the answer, just looking for a second opinion.
If you do not know the equation it is I=V/R

PLEASE ONLY ANSWER THE QUESTION IF YOU KNOW IT

Respuesta :

Аноним Аноним

14-09-2020

Answer:

v=IR ohms law

I=v/R

I=9/2000A

1mA=1000 A

1A= 10^-3 mA

9/2000A=9/2000 x 10^-3

current= 9/2mA=4.5mA

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