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Author Question: Inserting a dielectric material between two charged parallel conducting plates, originally separated ... (Read 91 times)

lindiwe

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on: Jul 28, 2018
Inserting a dielectric material between two charged parallel conducting plates, originally separated by air and disconnected from a battery, will produce what effect on the capacitor?
 a. increase voltage
  c. increase capacitance
  b. increase charge
  d. decrease capacitance

Question 2

An object consists of a rod (of length 3.0 m and negligible moment of inertia) to which four small 2.0-kg masses are attached, one at each end and one at each point on the rod 1.0 m from each end. (The masses are one meter apart.) The moment of inertia of this object about an axis perpendicular to the rod and through one of the end masses:
 a. is 28 kgm2.
  b. is 12 kgm2.
  c. is 4 kgm2.
  d. cannot be uniquely determined until it is stated which inner mass the axis goes through.


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komodo7

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

C

Answer to Question 2

A


lindiwe

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Reply 2 on: Jul 28, 2018
Gracias!

juliaf

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Reply 3 on: Yesterday
Wow, this really help

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