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irga5000 [103]
3 years ago
14

In a parallel circuit, ET = 277 V, R = 33 kΩ, and XL = 42 kΩ. What is Z?

Mathematics
1 answer:
Nesterboy [21]3 years ago
8 0

Given:

Resistance (X_{R}) = 33 k ohm

Inductive reactance (X_{R}) = 42 k ohm

We can calculate total impedance (Z) in parallel circuit, by using a reciprocal formula (identical to that used in calculating parallel resistances in DC circuits) as follows.

1/Z = 1/X_{R} + 1/X_{L}

1/Z = 1/33 + 1/42

solving this we get, Z = 18.4798 kΩ

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