Multiple Choice
When we say an appliance "uses up" electricity, we actually are 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.
Correct Answer:

Verified
Correct Answer:
Verified
Q14: A difference between electric and gravitational forces
Q42: A length of wire has resistance R.
Q47: A balloon will stick to a wooden
Q49: The electric current in a copper wire
Q50: If you do 10 J of work
Q52: Compared to the resistance of two resistors
Q92: Which is more dangerous,touching a faulty 120-V
Q102: When you remove electrons from a metal
Q151: A rubber rod rubbed with fur becomes<br>A)positively
Q157: Which of these lamps is the longer