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The motion of charged particles causes electrical effects, small shocks, lightning and sparks. Electrical fields cause forces to act on charged particles.
What is the charge on an electron?
During the process of charging by friction, which particle is transferred?
A duster that has lost electrons is said to be…
A negative charge will do what to another negative charge?
A positively charged object brought close to a negatively charged object will…
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?
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