SSC JE Electrical Engineering 23 Jan 2018 Morning Paper

Question : 136 of 200

Marks: +1, -0

What will be the total impedance (in Ohms) of a series RLC circuit, when the resistance of the circuit is 12 Ohms, capacitive reactance of the circuit is 3 Ohms and the inductive reactance of the circuit is 8 Ohms connected in series with a 220 V, 50 Hz supply?

Validate

Solution:

Total impedance of RLC circuit

|Z|=√{12^2+(X_L-X_C)^2}

=√{12^2+(8-3)^2}

=√{144+25}=13Ω

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