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IP Figure 19?33 shows a system consisting of three
Chapter 19, Problem 48P(choose chapter or problem)
Problem 48P
IP Figure 19−33 shows a system consisting of three charges, q1 = +5.00 μC, q2 = +5.00 μC, and q3 = −5.00 μC, at the vertices of an equilateral triangle of side d = 2.95 cm. (a) Find the magnitude of the electric field at a point halfway between the charges q1 and q2. (b) Is the magnitude of the electric field halfway between the charges q2 and q3 greater than, less than, or the same as the electric field found in part (a)? Explain, (c) Find the magnitude of the electric field at the point specified in part (b).
Questions & Answers
QUESTION:
Problem 48P
IP Figure 19−33 shows a system consisting of three charges, q1 = +5.00 μC, q2 = +5.00 μC, and q3 = −5.00 μC, at the vertices of an equilateral triangle of side d = 2.95 cm. (a) Find the magnitude of the electric field at a point halfway between the charges q1 and q2. (b) Is the magnitude of the electric field halfway between the charges q2 and q3 greater than, less than, or the same as the electric field found in part (a)? Explain, (c) Find the magnitude of the electric field at the point specified in part (b).
ANSWER:
Step 1 of 3
Here we need to calculate the magnitude of the charges for the given configuration of two point charges with equal magnitude.
The two point charges have magnitude and
apart. This two charges combined electric field at the midpoint of line joining charges has the magnitude
.
The distance of charges from the midpoint is given by .