Question

In Maxwell’s capacitance bridge for calculating unknown inductance, the various values at balance are, R₁ = 300 Ω, R₂ = 700 Ω, R₃ = 1500 Ω, C₄ = 0.8 μF. Calculate R₁, L₁ and Q factor, if the frequency is 1100 Hz.

a.

240 Ω, 0.12 H, 3.14

b.

140 Ω, 0.168 H, 8.29

c.

140 Ω, 0.12 H, 5.92

d.

240 Ω, 0.36 H, 8.29

Posted under Measurement of Inductance and Capacitance Electrical Measurement and Instrumentation

Answer: (b).140 Ω, 0.168 H, 8.29

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Q. In Maxwell’s capacitance bridge for calculating unknown inductance, the various values at balance are, R₁ = 300 Ω, R₂ = 700 Ω, R₃ = 1500 Ω, C₄ = 0.8 μF. Calculate R₁, L₁ and Q...
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