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Author Question: When we say an appliance uses up electricity, we are actually saying that A) current disappears. ... (Read 104 times)

APUS57

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on: Jul 29, 2018
When we say an appliance uses up electricity, we are actually saying that
 
  A) current disappears.
  B) electric charges are dissipated.
  C) the main power supply voltage is lowered.
  D) electrons are taken out of the circuit and put somewhere else.
  E) electrical energy changes to thermal energy.

Question 2

Which of these, all of the same length, has the greater electrical resistance?
 
  A) a copper rod
  B) an iron rod
  C) a rubber rod
  D) all about the same
  E) none of the above


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jjorrostieta

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

Answer: E

Answer to Question 2

Answer: C


APUS57

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Reply 2 on: Jul 29, 2018
Excellent

cici

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Reply 3 on: Yesterday
Gracias!

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