Two equally charged spheres repel each other with a mass of 0.1 kg. If their centers are 20 cm apart. Find the charge on each. a. 2.09 x 10 C b. 2.09 x 10° C c. 2.00 x 10° C d. 2.00 x 10° Two metallic plates separated by 1 cm are connected across a 12 V battery. A certain plastic material is inserted completely filling the space between the plates and the charge on each plate is observed to double. What is the dielectric constant of the plastic

Physics for Scientists and Engineers with Modern Physics
10th Edition
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Author:Raymond A. Serway, John W. Jewett
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Chapter24: Electric Potential
Section: Chapter Questions
Problem 18P
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Solve the following problems.
6. Two equally charged spheres repel each other with a mass of 0.1 kg. If their centers are
20 cm apart. Find the charge on each.
a. 2.09 x 10°C
b. 2.09 х 10° с
c. 2.00 x 10° C
d. 2.00 x 10°
7. Two metallic plates separated by 1 cm are connected across a 12 v battery. A certain
plastic material is inserted completely filling the space between the plates and the
charge on each plate is observed to double. What is the dielectric constant of the plastic
material?
а. 0.5
b. 4
с. 2
d. 6
Transcribed Image Text:6. Two equally charged spheres repel each other with a mass of 0.1 kg. If their centers are 20 cm apart. Find the charge on each. a. 2.09 x 10°C b. 2.09 х 10° с c. 2.00 x 10° C d. 2.00 x 10° 7. Two metallic plates separated by 1 cm are connected across a 12 v battery. A certain plastic material is inserted completely filling the space between the plates and the charge on each plate is observed to double. What is the dielectric constant of the plastic material? а. 0.5 b. 4 с. 2 d. 6
10. A multi-plate capacitor is made up of 501 sheets of aluminum 20 cm x 30 cm with an
insulation of paraffin paper 0.0015 cm thick. What is the capacitance in microfarads of
the capacitor? (k for paraffin paper is 3)
а. 50
b. 55
с. 35
d. 67
Transcribed Image Text:10. A multi-plate capacitor is made up of 501 sheets of aluminum 20 cm x 30 cm with an insulation of paraffin paper 0.0015 cm thick. What is the capacitance in microfarads of the capacitor? (k for paraffin paper is 3) а. 50 b. 55 с. 35 d. 67
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