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Author Question: What size capacitor should be placed in series with a 30- resistor and a 40-mH inductive coil if the ... (Read 59 times)

robinn137

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on: Jul 29, 2018
What size capacitor should be placed in series with a 30- resistor and a 40-mH inductive coil if the resonant frequency of the circuit is to be 1.0 kHz?
 
  A) 3.3 F B) 0.63 F C) 6.0 F D) 4.5 F E) 2.0 F

Question 2

You are given a copper bar of dimensions 3 cm  5 cm  8 cm and asked to attach leads to it in order to make a resistor. If you want to achieve the smallest possible resistance, you should attach the leads to the opposite faces that measure
 
  A) 3 cm  5 cm.
  B) 3 cm  8 cm.
  C) 5 cm  8 cm.
  D) Any pair of faces produces the same resistance.


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flexer1n1

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Reply #1 on: Jul 29, 2018
Answer to Question 1

B

Answer to Question 2

C


robinn137

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Reply 2 on: Jul 29, 2018
Wow, this really help

xiazhe

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Reply 3 on: Yesterday
Excellent

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