93 cards
Diamagnetic materials are ____ by an external magnetic field.
The SI unit of charge is the ____.
The SI unit of ____ is the coulomb.
Opposite charges exert ____ forces.
____ charges exert attractive forces.
____ charges exert repulsive forces.
Like charges exert ____ forces.
____ allow the free and uniform passage of electrons when charged.
Conductors ____
Insulators ____
____ resist the movement of charge and will have localized areas of charge that do not distribute over the surface of the material.
____ do not distribute charge over the surface of the material.
____ gives the magnitude of the electrostatic force vector between two charges.
Coulomb’s law gives ____
Every charge generates ____, which can exert forces on other charges.
Every ____ generates an electric field , which can exert forces on other charges.
The ____ is the ratio of the force that is exerted on a test charge to the magnitude of that charge.
The electric field is the ratio of t____.
Electric field vectors can be represented as ____ .
____ vectors can be represented as field lines .
Electric field lines radiate ____ from positive source charges.
Electric field lines radiate outward ____ source charges.
Electric field lines radiate ____ to negative source charges.
Electric field lines radiate inward ____ source charges.
____ test charges will move in the direction of the field lines.
Positive test charges will move in the direction ____ the field lines.
____ test charges will move in the direction opposite of the field lines.
Negative test charges will move in the direction ____ the field lines.
Electric potential energy equation: ____
____ equation:
If the charges are like charges (both positive or both negative), then the potential energy will be ____.
If the charges are unlike (one positive and the other negative), then the potential energy will be ____.
____ is the work necessary to move a test charge from infinity to a point in space in an electric field surrounding a source charge.
Electric potential energy is ____.
The electric potential energy of a system will increase when ____.
The electric potential energy of a system will ____ when two like charges move toward each other or when two opposite charges move apart.
The electric potential energy of a system will decrease when ____.
The electric potential energy of a system will ____ when two like charges move apart or when two opposite charges move toward each other.
Electric potential is defined as the ratio of t____.
____ is the change in electric potential that accompanies the movement of a test charge from one position to another.
Potential difference ( voltage ) is ____.
Potential difference is path ____.
The units for both electric potential and voltage are ____.
Positive test charges will move spontaneously from ____ potential.
____ test charges will move spontaneously from high potential to low potential.
Negative test charges will move spontaneously from ____ potential.
____ test charges will move spontaneously from low potential to high potential.
____ designate the set of points around a source charge or multiple source charges that have the same electric potential.
Equipotential lines designate ____.
Equipotential lines are always ____ to electric field lines.
____ done when a charge is moved from one equipotential line to another.
____ done when a charge moves from a point on an equipotential line to another point on the same equipotential line.
Two charges of opposite sign separated by a fixed distance, d , generate ____.
In an external electric field, an electric dipole will experience a ____.
____ are created by magnets and moving charges.
Magnetic fields are created by ____.
The SI unit for the magnetic field is the ____ .
____ elements are elements with unpaired electrons, meaning that a subshell is not completely filled.
Paramagnetic elements are elements with ____ filled.
____ elements are elements with paired electrons.