# Science Quiz / A2 Physics: Electric & Magnetic Fields

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## Can you name the Fields, Particles & Frontiers?

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F between two electric charges q + Q =not k
turns ratio r of a transformer =
Weber
How are electric fields created?
Potential difference V between two parallel plates creating an electric field iswords
Magnetic Flux measured in
Any particle passing undeflected through both a magnetic and electric field...equation
Electric Field Strength E =
constant for electric fields k =value
Charge mvt. at right angles to direction of electric field, when theta is the angle of deflection from the horizontal...how to find theta?
F on a charge Q moving at velocity v at right angles to a magnetic field =
...and...Force between q + Q is
Charge mvt at right angles to direction of electric field - component velocity downwards=
Mass spectrometer: for those ions which describe a circular path after going straight through a velocity selector...
Electric field lines must always be...
Fleming's Left Hand (Thumb)
Magnetic Flux (phi) =words
Electric Field Strength is equal to...
Force F on a wire in a magnetic field =equation
Lenz's Law of Electromagnetic Induction:
QE = BQv therefore v =
...and...another important equation
phi =
Fleming's Left Hand (First Finger)
The induced e.m.f. by eletromagnetic induction E =
One Tesla, T, =words
...or... turns ratio r of a transformer =
In the circular orbit of a charged particle moving in a plane perpendicular to a uniform magnetic field, the radius of the particle's circular path r=
Magnetic fields: Force on the wire =BILsintheta...where theta =words
Fleming's Left Hand (Second Finger)
Force between two electric charges q + Q is
Potential difference V between two parallel plates creating an electric field =equation
Magnetic Flux Density (B) iswords
Magnetic Flux Density B =equation
...and... Electric fields lines must always be...
Charge mvt. in direction of electric field...what happens?
Magnitude of the uniform electric field E =
constant for electric fields k =substitution
Step-up Transfomers...
F between q and Q in electric field =equation

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