In a single-phase series RL circuit, XL = 15 Ω and R = 20 Ω. Find the impedance of the circuit. 

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SSC JE Electrical 4 Dec 2023 Official Paper II
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  1. 15 Ω
  2. 20 Ω
  3. 25 Ω
  4. 35 Ω

Answer (Detailed Solution Below)

Option 3 : 25 Ω
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Detailed Solution

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Given: XL = 15 Ω 

R = 20 Ω

The impedance of the RL Circuit is given as:\(\sqrt{R^2 + X_{L}^2}\)

=\(\sqrt{15^2 + 20^2}\) 

= 25 Ω 

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