When we say an appliance uses up electricity, we are actually ...

[APUS57]

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

[jjorrostieta]

Answer to Question 1

Answer: E

Answer to Question 2

Answer: C

[APUS57]

Gracias!

[apple]

Thanks for the timely response, appreciate it