1.When you rub one material to another as shown in figure 1, they are charged through ___
A.Sliding
B.Friction
C. induction
D. contact
2.which of the following statements does NOT describe figure 1?
A.materials in electronics pacific telecharger in material gain an electron is negatively charged.
B.amount of gained and lost electron is equal to each other.
C.the charge are not conserved.
D.figure 1 is an example of charging by friction.
3.what happens to the charge of the silk cloth when you rub into the glass rod?
A.it loses electron and becomes positively charged.
B.it gains electron and becomes positively charged.
C.it loses electron and becomes negatively charged.
D.it gains electron it becomes positively charged.
4.which law states that charges cannot be created nor destroyed, but can be transferred by one material to another. the total charge in a system must remain constant.
A.electrostatic law
B. brewster's Law
C.Coulomb's Law
D.law of conservation of charge
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Answer:
1B
2A
3C
4C
Explanation:
bakit walang number five?