Exercises - AC Voltage Applied To An Inductor

Inductance connected to alternating voltage – exercises

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In which circuit does the output voltage V2 increase as the frequency of the sinusoidal input voltage V1 increases?

Inductance connected to alternating voltage – exercises

 Circuit 1

 Circuit 2

 Circuit 5

 Circuit 4

 Circuit 3

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How high is the active power in the following circuit?

Exercise – Calculation of active power in the three-phase network

 24 kW

 8 kW

 1.94 kW

 1.412 kW

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Exercise 1 

A coil is connected to an AC voltage with an RMS value of 100V. A current of 2 A flows at 50 Hz. If the frequency is increased to 100 Hz while the voltage remains the same, the current drops to 1.6 A.

Exercise - AC Voltage Applied To An Inductor

Calculate the inductivity L and the wire resistance R of the coil.

Exercise 1:

Exercise - AC Voltage Applied To An Inductor - solution