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The resistor (R = 305 N) and a coil (L = 58.1 mH) are connected to an A.C. power source with the values (Vms = 893 V. f = 472 Hz). Find the energy stored within the coil, in J, at the instant the voltage reaches its maximum value.

The resistor (R = 305 N) and a coil (L = 58.1 mH) are connected to an A.C. power source with the values (Vms = 893 V. f = 472 Hz). Find the energy stored within the coil, in J, at the instant the voltage reaches its maximum value.

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The resistor (R = 305 0) and a coil (L = 58.1 mH) are connected to an A.C. power source with the values (Vms = 893 V. f = 472 Hz). Find the energy stored within the coil, in J, at the instant the voltage reaches its maximum value.
Transcribed Image Text:The resistor (R = 305 0) and a coil (L = 58.1 mH) are connected to an A.C. power source with the values (Vms = 893 V. f = 472 Hz). Find the energy stored within the coil, in J, at the instant the voltage reaches its maximum value.
Expert Solution
Step 1

Impedance is given by,

Z=R2+XL2=R2+4π2f2L2=305 Ω2+4π2472 Hz20.0581 H2=350.3 Ω

Maximum voltage is,

Vmax=2Vrms=2893 V=1262.89 V

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