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Author Question: A dielectric material such as paper is inserted between the plates of a capacitor as the capacitor ... (Read 67 times)

james

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on: Jul 29, 2018
A dielectric material such as paper is inserted between the plates of a capacitor as the capacitor holds a fixed charge on its plates. What happens to the electric field between the plates as the dielectric is inserted?
 
  A) There is no change in the field.
  B) The field becomes stronger.
  C) The field becomes weaker.
  D) The field reduces to zero.

Question 2

A 4.0-kg cylinder of solid iron is supported by a string while submerged in water. What is the force that the string exerts on the cylinder? The density of iron is 7860 kg/m3 and that of water is 1000 kg/m3.
 
  A) 2.5 N
  B) 20 N
  C) 24 N
  D) 34 N
  E) 40 N
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Li Jun

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Reply #1 on: Jul 29, 2018
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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james

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Reply 2 on: Jul 29, 2018
Gracias!

debra928

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Reply 3 on: Yesterday
Excellent

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