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Question: a large metal plate has a surface charge density of...

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A large metal plate has a surface charge density of 0.175 μC / m2. The space between the equipotential lines of 100 V in the center is:

a. 1.5 cm

b. 2.5 cm

c.10mm

d. 7.5 mm

The work necessary to move a load of +2.5 mC from an equipotential surface of 10 V to another equipotential surface of 50 V is:

a. 0.50J

b. 0.10 J

c. 10 mJ

d. 1.0 J

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