C Exercise 21.20 A single 35 m H inductor forms a complete circuit when connecte

Question

C Exercise 21.20 A single 35mH inductor forms a complete circuit when connected to an ac voltage source at 120Vand 60 Hz. Part A What is the inductive reactance of the circuit? Express your answer using two significant figures. XL =   ?   SubmitMy AnswersGive Up Part B How much current is in the circuit? (Assume negligible resistance.) Express your answer using two significant figures. Irms =   A   SubmitMy AnswersGive Up Part C What is the phase angle between the current and the applied voltage? Express your answer using two significant figures. ? =   ?   C Exercise 21.20 A single 35mH inductor forms a complete circuit when connected to an ac voltage source at 120Vand 60 Hz. C Exercise 21.20 A single 35mH inductor forms a complete circuit when connected to an ac voltage source at 120Vand 60 Hz. A single 35mH inductor forms a complete circuit when connected to an ac voltage source at 120Vand 60 Hz. A single 35mH inductor forms a complete circuit when connected to an ac voltage source at 120Vand 60 Hz. Part A What is the inductive reactance of the circuit? Express your answer using two significant figures. XL =   ?   SubmitMy AnswersGive Up Part B How much current is in the circuit? (Assume negligible resistance.) Express your answer using two significant figures. Irms =   A   SubmitMy AnswersGive Up Part C What is the phase angle between the current and the applied voltage? Express your answer using two significant figures. ? =   ?   Part A What is the inductive reactance of the circuit? Express your answer using two significant figures. XL =   ?   SubmitMy AnswersGive Up Part B How much current is in the circuit? (Assume negligible resistance.) Express your answer using two significant figures. Irms =   A   SubmitMy AnswersGive Up Part C What is the phase angle between the current and the applied voltage? Express your answer using two significant figures. ? =   ?   Part A What is the inductive reactance of the circuit? Express your answer using two significant figures. XL =   ?   SubmitMy AnswersGive Up Part B How much current is in the circuit? (Assume negligible resistance.) Express your answer using two significant figures. Irms =   A   SubmitMy AnswersGive Up Part C What is the phase angle between the current and the applied voltage? Express your answer using two significant figures. ? =   ?   Part A What is the inductive reactance of the circuit? Express your answer using two significant figures. XL =   ?   SubmitMy AnswersGive Up Part B How much current is in the circuit? (Assume negligible resistance.) Express your answer using two significant figures. Irms =   A   SubmitMy AnswersGive Up Part C What is the phase angle between the current and the applied voltage? Express your answer using two significant figures. ? =   ?   Part A What is the inductive reactance of the circuit? Express your answer using two significant figures. XL =   ?   SubmitMy AnswersGive Up Part A What is the inductive reactance of the circuit? Express your answer using two significant figures. XL =   ?   SubmitMy AnswersGive Up XL =   ?   XL =   ?   SubmitMy AnswersGive Up Part B How much current is in the circuit? (Assume negligible resistance.) Express your answer using two significant figures. Irms =   A   SubmitMy AnswersGive Up Part B How much current is in the circuit? (Assume negligible resistance.) Express your answer using two significant figures. Irms =   A   SubmitMy AnswersGive Up Irms =   A   Irms =   A   SubmitMy AnswersGive Up Part C What is the phase angle between the current and the applied voltage? Express your answer using two significant figures. ? =   ?   Part C What is the phase angle between the current and the applied voltage? Express your answer using two significant figures. ? =   ?   ? =   ?   ? =   ?   C Exercise 21.20 A single 35mH inductor forms a complete circuit when connected to an ac voltage source at 120Vand 60 Hz. Part A What is the inductive reactance of the circuit? Express your answer using two significant figures. XL =   ?   SubmitMy AnswersGive Up Part B How much current is in the circuit? (Assume negligible resistance.) Express your answer using two significant figures. Irms =   A   SubmitMy AnswersGive Up Part C What is the phase angle between the current and the applied voltage? Express your answer using two significant figures. ? =   ?  

Explanation / Answer

Part A

XL =?L

?=2?f = 2?(60)

L = 35 *10-3 H

XL= 13.20 Ohms

Part B

Irms=Vrms/XL

=120 V/13.20 ? <--Assuming voltage is given in rms...if 120 V is Vmax then divide the answer by ?2

=9.09 A

Part C

for circuits with only inductors, the phase angle is +90 degrees

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