If the resistance (R) in a parallel RLC circuit increases, the quality factor (Q) will _______. 

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RRB JE EE 22 Apr 2025 Shift 2 CBT 2 Official Paper
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  1. remain the same
  2. become zero
  3. decrease
  4. increase

Answer (Detailed Solution Below)

Option 4 : increase
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Detailed Solution

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Concept

The quality factor in a parallel RLC circuit is given by:

\(QF=R{\sqrt{C\over L}}\)

where, R = Resistance

C = Capacitance

L = Inductance

Explanation

From the above expression, the quality factor is directly proportional to the resistance.

If the resistance (R) in a parallel RLC circuit increases, the quality factor (Q) will increase.

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