Doubling both charges changes the potential energy for a pair of point charges by a factor of 4. 2. O 1 (no change). O 1/4. O 1/2.
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A: here,let the electric field zero at A,kq1x2=kq20.05-x2q1=3μCq2=2μC
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A: charge (q) = 6e Distance (d) = 2 nm
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- If each of a set of point charges qi contribute a potential Vi to the total potential V at a certain point P, the value of V is found by adding a) vectors b)magnitudes c)valuesTwo charges are configured as shown, where q1 = 12.0 nC and q 2 = -9.00 nC. i.Place the -7 nC charge at point A and find its potential energy dueto the other two charges.ii. Place the -7 nC charge at point B and find its potential energy dueto the other two charges.iii. What is the difference between these two energies?13) An air-filled parallel-plate capacitor is constructed with a plate area of 0.40 m2 and a plate separation of 0.10 mm. It is then charged to a potential difference of 12 V? (0 = 8.85 * 10-12 C2/N m2) (a) How much charge is stored on each of its plates? (b) How much energy is stored in it?
- A point charge of 33 uC is placed at a distance of 36 cm from another identical charge. A charge of -1.5 uC is transferred from point a to point b as shown in the figure. Determine: a) The change in electrical potential energy b) If the -1.5 uC charge has an initial velocity of zero. What is its final velocity if it has a mass of 5.0 x 10-15 kg?1. If the potential due to a point charge is 510 V at a distance of 10 m, what are the sign and magnitude of the charge? Q=Where is the Potential Zero? Two point charges are fixed in place. The positive charge is +2q and the negative charge is -q. On the line that passes through the charges, how many places are there at which the total potential is zero? P3 P2 P1 -9 +2q