Ch. 1

Question 1

Law of Conservation of Charge

Answer 1

1. All materials contain a freely penetrating charge.
2. Totally insulated, the quantity of the charge is constant
3. That charge can neither be created nor destroyed

Question 2

Coulomb’s Law

Answer 2

F=kpq/r^2
Where 
F= force in Newtons
k= constant
p & q= charges in Coulombs
r= distance in meters

Question 3

Amperes (I) =

Answer 3

Volts (E)/ Ohms (R)

Question 4

What is the expenditure of energy called?

Answer 4

Work

Question 5

How is work measured?

Answer 5

ft-lb

the amount of energy to raise one pound one foot

Question 6

Resistors are typically used to:

Answer 6

1. Limit current
2. Lower total voltage
3. Divide fractional voltage
4. Discharge energy (as from a capacitor)
5. Generate heat