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2 votes
A battery-operated DVD player uses 12 DC volts from AA batteries and draws a current of 3 A. Calculate the resistance.

A) 4 ohms
B) 9 ohms
C) 15 ohms
D) 36 ohms

User JPvdMerwe
by
7.6k points

2 Answers

4 votes
R=V/I
so R=12/3

The answer is A) 4 ohms
Hope this helps!
User DZenBot
by
7.0k points
5 votes

Option (A) is correct.

Step-by-step explanation:

We use ohm's law


V= i R

V= voltage=12 volts

i= current=3 A

R= resistance

so i= V/R

i=12/3

i=4 ohms

Thus the resistance resistance of the DVD player = 4 ohm

User Anton Barycheuski
by
8.7k points