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Author Question: A circuit consists of a 10-mH coil, a 9.0-V battery, a parallel combination of a 48-W resistor and a ... (Read 52 times)

Medesa

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on: Jul 28, 2018
A circuit consists of a 10-mH coil, a 9.0-V battery, a parallel combination of a 48-W resistor and a 24-W resistor, and a switch, all in series. What is the time constant of this circuit?
 a. 1.2  103 s
  c. 9.0  102 s
  b. 6.3  104 s
  d. This circuit has 2 time constants.

Question 2

Quadrupling both the tension in a guitar string and its mass per unit length will result in changing the wave speed in the string by what factor?
 a. 4.00
  c. 1.00 (i.e., no change)
  b. 2.00
  d. 0.50


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ryansturges

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Reply #1 on: Jul 28, 2018
Answer to Question 1

B

Answer to Question 2

C


Medesa

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Reply #2 on: Jul 28, 2018
TY


ryansturges

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Reply #3 on: Jul 28, 2018
You're welcome


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