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WorksheetsAP-Ch 3 - Electric potential
Total questions: 11
Worksheet time: 49mins
As a proton moves in the direction the electric field lines...
it is moving from low potential to high potential and gaining electric potential energy.
it is moving from low potential to high potential and losing electric potential energy.
it is moving from high potential to low potential and gaining electric potential energy.
it is moving from high potential to low potential and losing electric potential energy.
Electric potential ____________ as distance increases.
increases
remains constant
decreases
zero
What is the electrical potential at 30 cm away from a point charge of 18μC?
5.4 x 10^5 v/m
1.8 x 10^5 v/m
3.2 x 10^5 v/m
6.8x 10^5 v/m
Which of the following statements is NOT true?
a
b
c
d
Consider two parallel plates with potential difference of 12V between them.How much work is done on the proton to move it from negative plate to positive plate?
1.9 x 10^ -18 J
1.9 x 10^ -19 J
12 J
120 J
An electron, initially at rest is accelerated through a potential difference of 450 V. What is the speed of the electron due to this potential difference?
1.44 x 10^6 m/s
1.59 x 10^6 m/s
18.7 x 10^6 m/s
12.6 x 10^6 m/ s
A charged particle with charge +5.0 μC is initially at rest. It is accelerated through a potential difference of 500 V. What is the kinetic energy of this charged particle?
2.5 x 10^-3 J/m
2.5 x 10^-3 J
2500 J
2500 J/m
a
b
c
d
Suppose an electric potential is given as V(x,y,z) = 3x2 + y + z in volts. Which of the following expressions describes associated electric field, in units of volts per meter
2x X̂ + ŷ + z
6x X̂ + ŷ + z
3x X̂ + ŷ + z
0
up
down
left
right
Suppose an electric potential is given as V(x,y,z) = 3x2 + xy + z in volts. Which of the following is magnitude of electric field at (3,1,0)?
21
22
0
18
