Question

1. What is electric potential?

2. Name 3 items where you might find an electric potential.

3. Electric fields have a magnitude and a direction. Does electric potential have both magnitude and direction? Explain.

4. Can you add electric potential?

5. What is a line of equipotential?

Answer #1

This is from an lab dealing with electric feild and
equipotential lines.
1.If the electric potential between two points is zero, what
does that mean in terms of the electric field in terms of the test
charge?
2. Is the electric field a vector a scalar field? Explain
3. Why must equipotential lines be perpendicular to electric
field lines?
4. How much work is required to move a small test charge along
an equipotential line?
5. Find the electric field...

1.Draw the equipotential lines for a single, positive,
charge.
2. How can you tell from an electric field map whether an
electric field is strong or weak?
3. What would the electric field lines look like if the electric
field was constant?
4. Can there be a point in space where there is an electric
potential but not electric field? Can there be a point in space
where there is an electric field but no electric potential? Explain
you answer.

Electric Fields and Potentials---- lab
A) What does it imply about the electric field when the electric
potential is zero?
B) Using the standard convention that V = 0 infinitely far from
a charge, in the case of a single positive point charge is it ever
possible to find a location where the electric potential is
negative? Reason?
C) The simulation only shows two spatial dimensions whereas we
live in a world with three. What do you think the shapes...

Lab 20: Electric Field and Potential
Pre Lab Questions (Part 2)
6. How can you tell from an electric field map whether an
electric field is strong or weak?
7. What would the electric field lines look like if the electric
field was constant?
8. Can there be a point in space where there is an electric
potential but not electric field? Can there be a point in space
where there is an electric field but no electric potential? Explain...

Supposed you place an electron in a space where it experiences
electric potential. What will electron do ??? ( please explain them
in details with given information )

There are two possible alignments of a dipole in an external
electric field where the dipole is in equilibrium:
1. Draw a field diagram for a uniform electric field and show
these two allignments
2.Are both allignments stable? (consider what would happen in
each case if you gave the dipole a slight twist)
3. Based on your answer to part 2, and your experiance in
mechanics, in which orientation does the dipole have less potential
energy?
Are both alignments stable?...

Please give a 1-2 sentence description (where might you
find them/how common are they/what disease might they cause/etc.)
of the following bacteria: S. anginosus, and
Enterobacteriacae.

2) What are the magnitude and direction of the electric force on
charge C in the figure attached? Express the direction by using +
or - signs.(Example: +2.3N, -5.2 N)
3) What is the strength (magnitude) of the electric field at the
position indicated by the dot in the figure attached?
4) A parallel-plate capacitor consists of two plates, each with
an area of 36 cm2, separated by 9.0 mm. The charge on
the capacitor is 2.1 nC. An electron...

1- Change in electric field when you move from one point of
equipotential line to any other point on the same line is …… a.
infinite b. depends upon distance c. zero d. unpredictable
2- Which instrument (ammeter or voltmeter) does m1, m2 and m3
represents for? explain

1.) Name a vector quantity and its magnitude.
2.) What is a scalar quantity? Give two examples.
For Questions 3, 4, and 5, use the following values:
A = 5.0 N at 135.0 degrees B = 6.0 N at 270.0 degrees
If you get the same answer for Questions 3 and 4, it is
wrong!
3.) Using the component method, add vectors A and B (ex: R = A +
B).
4.) Using the component method, add vectors A and...

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