How do you describe an object that gains excess electrons after being rubbed against another object?

Select one:
a. negatively charged
b. either a,b, or c
c. uncharged
d. positively charged

What do you call those materials that easily permit the flow of electricity through them ?

Select one:
a. resistors
b. current sources
c. conductors
d. insulators

What apparatus did Charles Coulomb use to measure the force of interaction of charged bodies?

Select one:
a. beam balance
b. electronic balance
c. torsion balance
d. spring balance

When you rub a plastic rod against your skin ,charges will likely move

Select one:
a. cannot be predicted
b. from the rod to your skin
c. simultaneously to your skin and the rod
d. from your skin to the rod

Who among the following scientists believed in "animal electricity " ?

Select one:
a. Michael Faraday
b. Georg Simon Ohm
c. Alessandro Volta
d. Luigi Galvani

Who among these scientists investigated different materials and found out that current passes through at different rates for different kinds of materials ?

Select one:
a. Charles Coulomb
b. Georg Simon Ohm
c. Thomas Alva Edison
d. Joseph Henry

The handles of our cooking utensils at home are usually made of rubber or hard plastics that do not allow heat to pass through them.These materials

Select one:
a. both a and b
b. have high resistance
c. neither a or b
d. are conductors

Which is not a conductor ?

Select one:
a. water
b. pencil lead
c. rubber band
d. aluminum utensils

Which of the following materials does not belong to the group ?

Select one:
a. ceramic plate
b. rubber slippers
c. electrical tape
d. aluminum frying pan

During which of the following weather conditions is static electricity easiest to produce ?

Select one:
a. hot and dry
b. humid
c. windy
d. rainy