What is the charge on an electron?
Negative
Neutral
Positive
During the process of charging by friction, which particle is transferred?
Protons
Neutrons
Electrons
A duster that has lost electrons is said to be…
Positively charged
Uncharged
Negatively charged
A negative charge will do what to another negative charge?
Nothing
Repel
Attract
A positively charged object brought close to a negatively charged object will…
Stay still
A Van de Graaff generator makes your hair stand on end because…
Each strand of hair picks up a different charge and repels each other
Each strand of hair picks up the same charge and repels each other
Each strand of hair picks up a different charge and attracts each other
What is the volume of space around a charged object called?
Electric field
Magnetic field
Gravity field
The arrow on an electric field diagram shows…
Which way a neutral particle would move
Which way a positive charge would move
Which way an electron would move
If the arrows on a field diagram are closer together the…
Field is unchanged
Field is stronger
Field is weaker
If a negative charge is placed in an electric field, in which direction does the force on it act?
In the direction of the field lines
At 90° to the field lines
Opposite to the direction of the field lines