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Network Elements and the Concept of Circuit

Easy Questions

Network Theory

Network Elements and the Concept of Circuit
Network theory miscellaneous
  1. The resonant frequency of the circuit—


    1. 105
      		Hz
      2π 1.9
    2. 105
      		Hz
      2π 1.1
    3. 104
      		Hz
      2π 1.9
    4. 104
      		Hz
      2π 1.1
Correct Option: A

The resonant frequency is given by =
1
2π√LeqC

L eq = L1 + L2 + 2M = 10 mH + 5mH + 2 × 2 mH
or L eq = 19 mH
C = .01 µF
So, f =
1
2π√19 × 10–3 × .01 × 10–6

f =
105
Hz
2π√1.9


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