In a series R-L-C circuit, R = 10Ω, Xc= 4Ω and XL = 9Ω. The impedance of the circuit is?

By: |Published on: Jan 23|Categories: Physics WAEC| 0 comments

A. 4.1Ω
B. 5.0Ω
C. 10.8Ω
D. 11.2Ω

Correct Answer: Option D

Explanation

The impedance for a RLC circuit is

Z=√R²+(XL−XC)²

= √10²+(9−4)²

= √125

= 11.18Ω ≊ 11.2Ω

Users Also Read These:

SEE ALSO  A 500N box rests on a horizontal floor. A constant horizontal force is exerted on the box so that it moves through 8m. If the coefficient of kinetic friction between the floor and the box is 0.22, calculate the workdone on the box

Copyright warnings! Do not copy.