Vocab 1
This term refers to the amount of electrons particles contain. Either a lack of electrons or an excess of electrons.
What is Charge?
This thing resists the flow of electrons.
What is a resistor?
Electrostatic force is measured with this unit.
What is Newtons?
Electric field lines point toward this kind of charge.
What is a negative charge?
Current refers to the flow of _________.
What is electrons?
This is a negatively charged particle
What is an electron
Pure water is a _______.
What is an insulator?
Charge is represented with this variable.
What is q?
Electric field lines point this direction with respect to a positive charge.
What is "away from"?
This creates a magnetic field.
What is current?
This is a force that pushes things apart
What is a repulsive force?
Any wire with current flowing through it produces a _________ around it. This is the driving concept behind electromagnets.
What is magnetic field?
This number is represented by Ke in Coulomb's law.
What is 8.9x109
Two positive charges exert this kind of force on each other.
What is a repulsive force?
A single, straight wire with current running through it creates a very weak magnet. bending the wire into this shape, increases its strength.
What is a coil?
This is a fundamental rule in physics that states that two charged objects exert a force on one another
What is Coulomb's Law?
A magnet has a north and south side. This is an example of ________.
What is polarity?
Charge is measured in this unit.
What is a Coulomb?
The electric field around any singular point charge is strongest at this location.
What is nearest the charge?
Increasing _______ increases the strength of an electromagnet.
What is current?
or
What is the number of coils?
Junkyards use large cranes that pick things up using ___________.
What is electromagnetism?
Coulomb's law is a description of this.
What is electrostatic force?
If you have a positive and negative charge both equal to 1C at 1m apart. What is the force between them?
What is Ke?
Electric field represents the force applied to this kind of particle.
What is a test charge?
Electric motors work by rapidly flipping this.
What is the direction of the electric current?