WorksheetsElectrostatic - Theory
Total questions: 10
Worksheet time: 3hrs 30mins
Explain how rubbing an acetate rod with a cloth causes the rod and cloth to become charged.
After charging them, the student moves the acetate rod and the cloth closer together. Which statement is correct?
There is no force between the acetate rod and the cloth
There is a force of attraction between the acetate rod and the cloth
There is a force of repulsion between the acetate rod and the cloth
Complete the statement: The amount of charge on the metal dome is increased, which causes the potential difference between the metal dome and the earthed sphere to (a)
The student tried the experiment using two strips of aluminium. The strips did not move. Complete the sentence:
Materials, such as aluminium, which electricity will pass through easily, are called (a)
The comb becomes negatively charged because ______________ move from the student’s ________________ to the comb.
Electrons
Hand
Jumper
Protons
using a fotocopier
refueling an aircraft
a smoke precipitator
Positively charged objects repel negatively charged object
Electrical charges move easily through metals
Static electricity is safe; it never causes any danger
An electric current is a flow of electrical charge.
Explain the two mechanisms that allow the lightning conductor to properly work
The slide is made from plastic
The positive and the negative charges in the water are attracted to the rod
The positive and the negative charges in the water are repelled by the rod
The negative charge in the water is repelled by the rod and the positive charge is attracted
The negative charge in the water is attracted by the rod and the positive charge is repelled
