Magnets
Magnetic Force
Magnetic and Electric Fields
Units of Measurement
Electrons
100
What type of force will the two bar magnets have with each other?
Attractive force
100
On a magnet, where is the magnetic force strongest at?
The north and south poles (either pole on the magnet)
100
What are these lines called?
Magnetic Field Lines
100
Unit of measurement for an electric charge (q)?
Coulomb (C)
100
Loss or gain? Oxidation entails the ______ of electrons.
loss
200
The image below is an example of?
Magnetic domains
200
A magnetic force is created by the motion of a magnet OR by the motion of ______ ______.
Electric charges
200
What type of lines are depicted below?
Uniform Magnetic Field
200
Unit of measurement for strength of a magnetic field (B)?
Tesla
200
Loss or gain? Reduction entails the ______ of electrons.
gain
300
Substances that are strongly attracted to magnets due to the alignment of their magnetic domains. Iron, cobalt and nickel are examples.
Ferromagnetic
300
In the formula F = BIL, what does the "I" stand for?
Current or Electric Current
300
Electric field lines which do not overlap indicate that the two charges are ?
Either both positive or both negative
300
Unit of measurement for magnetic force (F)?
Newton
300
Where does oxidation occur in a voltaic cell or standard battery?
At the anode
400
Conductive materials can generate opposing magnetic fields in the presence of magnets. This phenomenon is called _______ _______.
Eddy Currents
400
Perpendicular, parallel or random? How does the Magnetic Force move to the velocity of a charged particle and its magnetic field?
Perpendicular
400
Which electric field is strongest?
The electric field in "C". This is the case regardless of the negative or positive charge.
400
Unit of measurement for electromotive force (EMF)?
Volts
400
Where does reduction occur in a voltaic cell or standard battery?
At the cathode
500
Michael Faraday showed that moving a magnet through a magnetic field creates an electric current, a phenomenon known as __________ ___________.
Electromagnetic Induction
500
The strength of a magnetic force (F) depends on the magnitude of the charge (q), the strength of the magnetic field (B), and the ?
velocity of the charged particle (v)
500
What are the charges for particle A and for particle B?
A is negative and B is positive
500
What is this number known as "k" known as? 9.0 x 109 Nm2/C2
Coulomb's Constant
500
In addition to the flow of electrons in a voltaic cell or standard battery, what other "substance" flows?
Ions