Question

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

Answer #1

i am understanding problem number one so that i am solving this..

1-- equipotential line means potential at line at every point will be same that means if we move along equipotential line we are at same potential and in that line the field will be always perpendicular that means if we move on same line the electric field not changed because it is again perpendicular ...hence change in field will be 0 . (option c is the answer)

i am not getting your second question....so again ask by recheking it..

thanks...

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...

The electric field is zero at a point along the line joining two
charges. (a) Are the signs of the two charges equal or opposite?
Explain. (b) Can the potential be zero at any point along the line?
Explain.

The electric field is zero at a point along the line joining two
charges. (a) Are the signs of the two charges equal or opposite?
Explain. (b) Can the potential be zero at any point along the line?
Explain.

When should one use the test charge equation to solve a
problem?
To study the field
To study an accumulation of electric charge
To study the work to move a charge, without gaining
acceleration
To study the energy to needed to move a charge against the
field
If q0 and q are infinitely far apart, their
interaction would have a measurement of …
All real values
All values on that line integral
Zero
Unknown due to the unknown distance of...

1. Why can electric fields not cross each other?
A. Many electric field lines can exist at any given point in
space.
B. No electric field lines can exist at any given point in
space.
C. Only a single electric field line can exist at any given
point in space.
D. Two electric field lines can exist at the same point in
space.
2. By considering the molecules of an insulator, explain how an
insulator can be overall neutral but...

Do charges released from rest always move along electric field
lines; i.e., does the charge stay on the E field line at which it
started?
b) Based on your answer to a), would charges released with an
initial velocity always move along electric field lines?
c) Using kinematic quantities like position, velocity, and
acceleration as well as the concept of a force to describe the
general character of the motion of a [+] charge in motion near a
single [+]...

PART 1: THE ELECTRIC FIELD
Procedure: Assemble in groups of 2-3 around the pod computers. You
may also use a laptop or tablet. Open the Charges and Field
simulation:
http://phet.colorado.edu/en/simulation/charges-and-fields
and click on the “play” symbol to open. Once the simulation opens,
check the box next to grid. Your instructor will show you a few
things about this simulation before you begin.
Explore: Answer all questions and all parts below.
1. First, explore by placing a 1 nC positive charge...

Part 1: Two Round Conductors Gather all items required for the
exercise. Note: If using the lab kit box, remove contents and place
in a secure area. Put on your safety goggles. Center the black
conductive paper on the top of the box, grid-side up. Place the two
metal nuts (conductors) at the (5 cm, 10 cm) and (20 cm, 10 cm)
positions on the paper. Secure using two dissection pins for each
conductor. See Figure 13. Note: Place the...

1) 2 point charges are separated by a distance of 8 cm. The left
charge is 48 mC and the right charge is -16mC. Using a full sheet
of paper: draw the 2 charges separated by 8cm, centered in the
sheet. (if you are missing a ruler estimate 8cm as ⅓ a paper sheet
length). [6] a) Draw field lines to indicate the electric fields
for this distribution. [4] b) Draw 3 equipotential surfaces, 1
each, that pass: -Through the...

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INNOVATION
Deep Change: How Operational Innovation Can Transform Your
Company
by
Michael Hammer
From the April 2004 Issue
Save
Share
8.95
In 1991, Progressive Insurance, an automobile insurer based in
Mayfield Village, Ohio, had approximately $1.3 billion in sales. By
2002, that figure had grown to $9.5 billion. What fashionable
strategies did Progressive employ to achieve sevenfold growth in
just over a decade? Was it positioned in a high-growth industry?
Hardly. Auto insurance is a mature, 100-year-old industry...

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