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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
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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
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