Physics Questions on Electric Forces and Resistance

Front

What happens to the resistance of a wire as its length increases?

Back

The resistance of the wire will increase.

Front

Define Electric Force.

Back

The repulsion or attraction between two charged bodies; opposites attract, likes repel.

Front

What type of force does a rollercoaster use when electricity pushes the cart forward?

Back

The rollercoaster uses Electromagnetic Force.

Front

Back

Front

Back

Coulombs of Charge on a given particle or object.

Front

What is the value of Coulomb's Constant (k) in Coulomb's Law?

Back

Front

What is the relationship between resistance (R), length (L), and cross-sectional area (A) of a wire?

Back

Resistance increases with length and decreases with cross-sectional area.

Front

What is Ohm's Law?

Back

Front

What is the unit of electric resistance?

Back

The unit of electric resistance is the Ohm (Ω).

Front

What is the formula for calculating the electric force between two charges?

Back