The electric potential a distance r from a point charge q is
2.90×104 V . |
Part A Find the initial distance r.
Part B Find the charge q.
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The electric potential a distance r from a point charge q is 2.90×104 V . One...
Question At distance r from a point charge q, the electric potential is 910 V and the magnitude of the electric field is 86 N/C. Determine the value of q. The Coulomb constant is 8.98755 x 10 N m2/C Answer in units of C
The electric field produced by a 2.90 C point charge at a distance of 1.0 m is 2.6 × 104 (N/C). Now, let’s put another charge q0 (2.00 C) at this region. Which explanation is correct? Choose the best answer. a. Since it has a positive charge, the direction of electric field is away from it (outbound). b. The potential generated by this charge has a positive value. c. If the q0 is moved by 0.02 m along the equipotential...
A point charge Q creates an electric potential of +180 V at a distance of 25 cm . What is Q?
A point charge Q creates an electric potential of +130 V at a distance of 25 cm . What is Q?
Find the electric potential of a 3.2 μC point charge at each distance: a) 5 cm away, b) 45 cm away, and c) 80 cm away.
A point charge q = +39.0 μC moves from A to B separated by a distance d = 0.171 m in the presence of an external electric field E with arrow of magnitude 300 N/C directed toward the right as in the following figure. 4. +-22 points SerCP11 16 P.006 My Notes Ask Your Teacher a distance d -0.171 m in the presence of an external electric field E of magnitude 300 N/C directed toward the right as in A...
Calculate the electric potential V at a distance r from an infinite line charge, density rho_t Coulombs per meter. From the potential calculate the electric field and show that the field is identical to what we derived in class You will find that difficulties will arise when integrating from -infinity to infinity to find V. Try this: calculate the potential and the field for a segment of line charge 2L meters long (i.e., integrate from -L to +L). Once the...
23.28:At a certain distance from a point charge, the potential and electric field magnitude due to that charge are 4.98 V and 12.0 V/m, respectively. (Take the potential to be zero at infinity.) 1.What is the distance to the point charge? (d= ? m) 2.What is the magnitude of the charge? (q= ? c)
a test charge is moved from point r away from a source charge Q to a point 2r. The 2 - A test charge is moved from point r away from a source charge Q to a point 2r. The -(4 pts) (A). electric field due to Q is doubled and the electric potential is halved. (B). electric field due to Q is quartered and the electric potential is halved (C). electric field due to Q is doubled and the...
All the charge in a ring of charge Q is the same distance r from a point P on the ring axis. a) Electric charge Q is distributed uniformly around a thin ring of radius a (Fig. 23.20). Find the potential at a point P on the ring axis at a distance x from the center of the ring. b) Find the electric field at P using the appropriate denotative relationships