4. copper
b. may made plastic. good insulator material:
a.
Check Your Understanding
1. PVC
c. has free electrons
c. has free electrons
c.
Note: more than one multiple choice answer may correct. the voltage ‘common’ all resistors
c.
6. Good conductor materials are:
a. may made copper
d. PVC
c. wood. has lots free electrons
b. Good insulator materials are:
a.
1 1
1 2
R R
T
.
3. good conductor material:
a. brass
d. R2
d. may made copper
d.When you have completed the questions, check out the answers the back
of the book. brass
d.
5. wood. copper
b. the current ‘common’ all resistors
b. may made plastic. R2
d. series circuit
a. has lots free electrons
b. the current ‘common’ all resistors
b. the voltage ‘common’ all resistors
c. parallel circuit
a.
1 1
1 2
R R
T
.
2
