In an RLC circuit, if the resistance is increased while keeping the inductance a

Practice Questions

Q1
In an RLC circuit, if the resistance is increased while keeping the inductance and capacitance constant, what happens to the bandwidth?
  1. Increases
  2. Decreases
  3. Remains the same
  4. Becomes zero

Questions & Step-by-Step Solutions

In an RLC circuit, if the resistance is increased while keeping the inductance and capacitance constant, what happens to the bandwidth?
  • Step 1: Understand what an RLC circuit is. It consists of a resistor (R), inductor (L), and capacitor (C).
  • Step 2: Know that bandwidth (Δf) is the range of frequencies over which the circuit can operate effectively.
  • Step 3: Remember that in an RLC circuit, bandwidth is affected by the resistance (R).
  • Step 4: Learn that bandwidth is inversely proportional to resistance. This means that as resistance increases, bandwidth decreases.
  • Step 5: Conclude that if you increase the resistance while keeping inductance and capacitance constant, the bandwidth will decrease.
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