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Author Question: Three resistors connected in series each carry currents labeled I1, I2, and I3 . Which of the ... (Read 68 times)

robinn137

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on: Jul 28, 2018
Three resistors connected in series each carry currents labeled I1, I2, and I3 . Which of the following expresses the value of the total current IT in the system made up of the three resistors in series?
 a. IT = I1 + I2 + I3
  c. IT = (1/I1 + 1/I2 + 1/I3)
  b. IT = (1/I1 + 1/I2 + 1/I3)-1
  d. IT = I1 = I2 = I3

Question 2

An object of mass m and moment of inertia I has rotational kinetic energy KER. Its angular momentum is:
 a. 0.5 I/m.
  c. (2 mKER)1/2.
  b. (2 IKER)1/2.
  d. not given.


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KKcool

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

D

Answer to Question 2

B


robinn137

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Reply 2 on: Jul 28, 2018
Excellent

juliaf

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Reply 3 on: Yesterday
Wow, this really help

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