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PHYSICS 30
“FORCES AND FIELDS” OBJECTIVES
Name ______________
OBJECTIVE
Explain electrical interactions in terms of
attraction, repulsion and conservation of charge
Describe three methods of charging an object.
Describe the distribution of charge on the surfaces
of insulators, conductors and differently shaped
objects
Describe Coulomb’s torsion balance experiment.
Compare Coulomb’s Law with Newton’s Law of
Universal Gravitation.
Apply Coulomb’s Law to various 2 and 3 charge
problems or situations.
Define vector fields and compare electric fields and
forces.
Compare, qualitatively, gravitational and electric
potential energy.
Define electric potential difference or Voltage and
use the formula V = E/q to solve various problems
Use the formulae: E = F/q, E = kq/r2 and E = V/d
to solve various electric field problems.
Define electric current and use the formula I = q/t
to solve various problems.
Describe, quantitatively, the motion of an electric
charge in an electric field.
Explain, quantitatively, electrical interactions using
the law of conservation of energy.
Explain Millikan’s oil drop experiment and its
importance in determining the elementary charge.
Describe magnetism in terms of forces, fields and
domains.
In terms of their sources and directions, compare
gravitational, electric and magnetic fields
Describe Oersted’s and Faraday’s contributions to
electromagnetism.
What?
Getting
There
Got
It!
What?
Getting
There
Got
It!
Use the three left hand rules for magnetic fields
around conductors, electromagnets and forces on
charges and wires respectively.
Use the formulae: Fm = qvB and Fm = IlB to solve
various problems.
Describe the motor effect.
Describe the generator effect and electromagnetic
induction.