Question

Exercise 31.27 You have a 195?? resistor, a 0.397?Hinductor, a 5.03??F capacitor, and a variable-frequency ac...

Exercise 31.27

You have a 195?? resistor, a 0.397?Hinductor, a 5.03??F capacitor, and a variable-frequency ac source with an amplitude of 2.91V . You connect all four elements together to form a series circuit.

Part A

At what frequency will the current in the circuit be greatest?

? = rad/s  

Part B

What will be the current amplitude at this frequency?

I = A  

Part C

What will be the current amplitude at an angular frequency of 403rad/s ?

I= A

Part D

At this frequency, will the source voltage lead or lag the current?

A)the source voltage leads the current
B)the source voltage lags the current

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