Register
Find the resistance of a fixed resistor in a circuit when the Ammeter reads 4 A and the p.d across the resistor is 12 V
63,458 views
13 votes
13 votes
Find the resistance of a fixed resistor in a circuit when the Ammeter reads 4 A and the p.d across the resistor is 12 V

User Benissimo
by
2.9k points

2 Answers

23 votes
23 votes
So formula again V= IR
Potential difference = 12V
Current = 4 A
Resistance = V/I
= 12/4
= 3 ohms
User AlonL
by
2.7k points
25 votes
25 votes

Answer:

3 ohms

Step-by-step explanation:

R = V/I

R = 12 ÷ 4

R = 3 ohms

User Sameera Liyanage
by
3.2k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

1.6m questions

2.0m answers

Other Questions

Determjne the density of liquid whose relative density is 1.25 given that the density is 1000kgm-3​
If a constant fotce of 490 newtons is applied to an object and it proceeds to accelerate in the opposjte direction at 9.8 meters per second, every second, what is its mass?
1. if i start with 48 ml of water in a graduated cylinder, after submerging an object the water level rises to 63 ml, what is the volume of the object. 2. if i start with 36 ml of water in a graduated
Why is the system of si unit developed
a dog is running around chasing his tail using a force of 30N. The dog has a mass of 5 kg. what is the dogs acceleration?
Link Copied!