PHYS 1260 EXAM 2 NEWEST VERIFIED VERSION 2026
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Electric Field Surrounding a Stationary Electron -
ANSWER-Surrounding every stationary electron is an
electric field.
Reversals of the north and south poles - ANSWER-
Common throughout Earth's history.
Electromagnetic induction - ANSWER-The creation of
voltage when a magnetic field changes with time.
Faraday's Law - ANSWER-The induced voltage in a coil is
proportional to the product of its number of loops, the
cross-sectional area of each loop, and the rate at which
the magnetic field changes within those loops.
Inductance - ANSWER-The value of an inductor, identical
to magnetic flux per unit current, a constant of
proportionality.
SI Units for Inductance - ANSWER-Henry (H).
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Back-voltage of an inductor - ANSWER-Means that it acts
like a battery.
Energy & Charge - ANSWER-What is generated in an
ideal inductor.
Magnetic Flux - ANSWER-When a change occurs in the
magnetic field in a closed loop of wire.
Electromagnetic Induction units - ANSWER-Volts (V).
Frequency of induced voltage - ANSWER-Depends on
how frequently a magnet dips in and out of the coil.
Generator - ANSWER-An electromagnetic induction
device that produces electric current by rotating a coil
within a stationary magnetic field; converts mechanical
energy to electric energy.
Transformer - ANSWER-A device for transferring electric
power from one coil of wire to another, by means of
electromagnetic induction, for the purpose of transforming
one value of voltage into another.
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Maxwell's Counterpart to Faraday's Law - ANSWER-A
magnetic field is created in any region of space in which
an electric field is changing with time.
Power - ANSWER-The rate at which energy is transferred.
Series Connection - ANSWER-When two lamps are
connected in series to a battery, the electrical resistance
that the battery "senses" is more than the resistance of
either lamp.
Parallel Connection - ANSWER-When two lamps are
connected in parallel to a battery, the electrical resistance
that the battery "senses" is less than the resistance of
either lamp.
Kirchhoff's First Rule - ANSWER-Kirchhoff's first rule is a
simple application of the conservation of charge.
Kirchhoff's Second Rule - ANSWER-Kirchhoff's second
rule is a simple application of the conservation of energy.