Suppose a static charge of 0.22 μC moves from your finger to a metal doorknob in 0.95 ms. What is the current, in amperes?
Given charge,
time, 
Current is rate of flow of electric charge


ANSWER:
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Suppose a static charge of 0.22 μC moves from your finger to a metal doorknob in...
What is the current (in A) when a typical static charge of 0.420 µC moves from your finger to a metal doorknob in 4.60 µs?
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A 7.2 N force acts on a 3.65 μC charge as the charge moves from x = 0 to x = 35 cm. a) What is the change in the potential energy of the charge? b) What is the electric potential difference between x = 0 to x = 35 cm? (give the absolute value)
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...
How much electric potential energy does 1.9 μC of charge gain as it moves from the negative terminal to the positive terminal of a 1.6 V battery? Express your answer with the appropriate units.
Suppose the end of your finger is charged. Estimate the breakdown voltage in air for your finger. Assume The width of the end of a finger is about 1 cm. Express your answer to one significant figure and include the appropriate units. About what surface charge density would have to be on your finger at this voltage? Express your answer to one significant figure and include the appropriate units.
1- How far from a -7.80 μC point charge must a 2.10 μC point charge be placed in order for the electric potential energy of the pair of charges to be -0.500 J ? (Take the energy to be zero when the charges are infinitely far apart.) d= ------m 2- Two stationary positive point charges, charge 1 of magnitude 3.50 nC and charge 2 of magnitude 2.00 nC , are separated by a distance of 37.0 cm . An electron...
A particle has a charge of +2.8 μC and moves from point A to point B, a distance of 0.26 m. The particle experiences a constant electric force, and its motion is along the line of action of the force. The difference between the particle's electric potential energy at A and B is EPEA - EPEB = +7.8 x 10-4 J. (a) Find the magnitude of the electric force that acts on the particle. (b) Find the magnitude of the...
A particle has a charge of +3.4 μC and moves from point A to point B, a distance of 0.11 m. The particle experiences a constant electric force, and its motion is along the line of action of the force. The difference between the particle's electric potential energy at A and B is EPEA - EPEB = +9.4 x 10-4 J. (a) Find the magnitude of the electric force that acts on the particle. (b) Find the magnitude of the...
A particle has a charge of +3.4 μC and moves from point A to point B, a distance of 0.26 m. The particle experiences a constant electric force, and its motion is along the line of action of the force. The difference between the particle's electric potential energy at A and B is EPEA - EPEB = +7.9 x 10-4 J. (a) Find the magnitude of the electric force that acts on the particle. (b) Find the magnitude of the...