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miskamm [114]
3 years ago
9

the intensity of current varies inversely with the resistance. when the resistance is 3 ohms, the intensity of current is 9 ampe

res. find the resistance when the intensity of current is 18 amperes
Mathematics
2 answers:
BigorU [14]3 years ago
4 0
First you need to know the equation for inverse variation. y = k/x
Next, fill in the information you know so that you can find 'k', the constant of variation.
9 = k/3 Now solving for k we get k = 27 and you have your inverse equation for this problem and can use any values for intensity or resistance.
y = 27/x or I = 27/R
18 = 27/R
18R = 27
R = 27/18
R = 1.5 ohms
Novosadov [1.4K]3 years ago
3 0
The resistance is 3/2
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