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A uniform electric field of magnitude 25...

A uniform electric field of magnitude `250 V// m` is directed in the positive x-direction. `A+12muC` charge moves from the origin to the point `(x, y) = (20.0 cm, 5.0 cm).`
(a) What was the change in the potential energy of this charge?
(b) Through what potential difference did the charge move?

Text Solution

Verified by Experts

The correct Answer is:
B
a. `/_\U=-q(/_\V)`
`=-(12xx10^-6)(50)`
`=-6.0xx10^-4J`
`b.` /_\V=Ed=E(/_\x)`
`=(250)(0.2)`
`=50 V`
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DC PANDEY ENGLISH-ELECTROSTATICS-Level 1 Objective
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  2. A charge Q is spread uniformly in the form of a line charge density la...

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  3. A uniform electric field of magnitude 250 V// m is directed in the pos...

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  4. A small particle has charge -5.00muC and mass 2.00 xx 10-4 kg. It move...

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  5. A plastic rod has been formed into a circle of radius R. It has a posi...

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  6. A point charge q1=+2.40muC is held stationary at the origin. A second...

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  7. A point charge q1 = 4.00 nC is placed at the origin, and a second poin...

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  8. Three point charges, which initially are infinitely far apart, are pla...

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  9. The electric field in a certain region is given by E=(5hati-3hatj)kV//...

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  10. In a certain region of space, the electric field is along +y-direction...

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  11. An electric field of 20 N//C exists along the x-axis in space. Calcula...

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  12. The electric potential existing in space is V(x,y,z)=A(xy+yz+zx) (a)...

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  13. An electric field E = (20hati + 30 hatj) N/C exists in the space. If t...

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  14. In a certain region of space, the electric potential is V (x, y, z) = ...

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  15. A sphere centered at the origin has radius 0.200 m. A-500muC point cha...

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  16. A closed surface encloses a net charge of -3.60 muC. What is the net e...

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  17. The electric field in a region is given by E = 3/5 E0hati +4/5E0j with...

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  18. The electric field in a region is given by E = (E0x)/lhati. Find the c...

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  19. A point charge Q is located on the axis of a disc of radius R at a dis...

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  20. A cube has sides of length L. It is placed with one corner at the orig...

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