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from the diagram above the inductive reactance ... - JAMB Physics 2007 Question

from the diagram above, the inductive reactance and the resistance R are respectively
A
50Ω and 45Ω
B
25Ω and 51Ω
C
20Ω and 50Ω
D
10Ω and 50Ω
correct option: d

The inductive reactance is given as

Xl = 2πfl

= 2 x 50/π x 0.1

= 10Ω

Again from ohms law,

R = V/I = 75/1.5 = 50Ω

∴ Thus the inductive reactance and the resistance are respectively 10Ω, and 50Ω

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