An inductor is connected to an AC voltage source with peak voltage 35 V at 200 Hz, and the rms current is measured to be 52 mA. Calculate the inductance.
Give the value in henrys, to 2 decimal places.
Gives
Vm=35VV_m=35VVm=35V
n=200Hzn=200Hzn=200Hz
IRMS=52mAI_{RMS}=52mAIRMS=52mA
We know that
Im=IRMS2I_m=\frac {I_{RMS}}{\sqrt2}Im=2IRMS
Vm=ImXLV_m=I_mX_LVm=ImXL
Put value
L=37.89×10−3L=37.89\times10^{-3}L=37.89×10−3 H
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