PHYS 1260 FINAL EXAM NEWEST VERSION 2025
WITH COMPLETE 200 QUESTIONS AND
SOLUTION 100% VERIFIED ANSWERS A+
GRADED FREE
can you seperate so much that the force between them is
zero? - ....ANSWER ....✔✔ no
which is stronger, gravity or electricity? - ....ANSWER
....✔✔ electricity
the electrical force between charges is strongest when
the charges are - ....ANSWER ....✔✔ close together
the electrical force between electric charges depends
only on their _____ and _____ - ....ANSWER ....✔✔
magnitude and seperation distance
magnitude - ....ANSWER ....✔✔ strength of charge
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the electrical force on a 2-C charge is 60 N. The electric
field where the charge is located is - ....ANSWER
....✔✔ 30 N/C
the direction of the electric field is the saem as the
direction of the electric (Coulomb) force exerted on a -
....ANSWER ....✔✔ proton
electrical potential is the ratio of electical potential
energy to the amount of electric ____ - ....ANSWER
....✔✔ charge
if 10 J of work is used in pushing a 1-C charge into an
electric field, its electric potential relative to its starting
position is - ....ANSWER ....✔✔ 10 V
a zero potential does not necessarily mean a null ____ -
....ANSWER ....✔✔ electric field
a electron is pushed into an electric field where it
acquires a 1-V electric potential. If two electrons are
pushed the same distance into the same electric field, the
electric field of each electron is - ....ANSWER ....✔✔
1V
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when you turn on a lamp, the initial current in its filament
is greater at first, rather than a moment later which
indicates - ....ANSWER ....✔✔ increased temperature
means increased resistance
ohms law tells us that the amount of current produced in
a circuit is ____ and ____ - ....ANSWER ....✔✔
directly proportional to voltage, inversely proportional
to resistance
electrostatics is a branch of electricity that focuses on
____ and ____ - ....ANSWER ....✔✔ electrical force,
charge when static
in a electrically neutral atom, the number of protions is
equal to the number of - ....ANSWER ....✔✔ electrons
that surrounds the nucleus
the pair of protons in the nucleus of a helium atom -
....ANSWER ....✔✔ attract a pair of orbiting electrons
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two protions attract each other gravitationally and
repell each other electrically. the strongest of these two
forces is - ....ANSWER ....✔✔ electrical
the unit of electric charge, the Coulomb, is the charge on
a - ....ANSWER ....✔✔ specific large number of
electrons
fundamental charge - ....ANSWER ....✔✔ e = 1.9 x
10^-19 C
when the distance between 2 charges is halved, what
happens to the electrical force between them? -
....ANSWER ....✔✔ quadruples
Coulomb's Law - ....ANSWER ....✔✔ Fe =
k(q1)(q2)/r^2
the electric field between oppositely-charged parallel
plates is - ....ANSWER ....✔✔ uniform
to think of electric potential difference, we are thinking
about - ....ANSWER ....✔✔ voltage