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6.) A dielectric made of Teflon is inserted between the plates of a parallel plate capacitor carrying a charge of 12 µC. Teflon has a dielectric constant of 2.1. If the plates have an area of 0.2 m² and they are separated by a distance of 1 mm, how much electrical potential energy is stored in the capacitor? a.) 0.02 J, b.) 0.03 J, c.) 0.04 J, d.) 0.07 J, e.) 0.08 J 7.) The magnetic flux through a 100 turn coil changes from 0.0273 Tm2 to 0 in 0.824 s. What emf is induced in the coil? a.) 2.91 V, b.) 0.29 V, c.) 0.33 V, d.) 3.13 V, e.) 3.31 V 8.) An electric potential has the form V (r) = 16 r -4 r. What is strength of the corresponding electric field when r= 0.2 m in N/C? a.) – 0.32, b.) 3.52, с.) 0.32, d.)-3.52, е.) -1.86 9.) Two electric charges of size 20 mC and 30 mC are separated by a distance of 1 mm. What is the electrical potential energy of charges in J? a.) 5.4 x 10°, b.) 5.4 x 1012, c.) 7.5 x 107, d.) 7.5 x 104 10.) What is the time constant of an RC circuit that contains two resistors connected in series with a single capacitor? a.) 1/RC, b.) ReqC, c.) 1/e, d.) 1/ReqC, e.) RC

6.) A dielectric made of Teflon is inserted between the plates of a parallel plate capacitor carrying a charge of 12 µC. Teflon has a dielectric constant of 2.1. If the plates have an area of 0.2 m² and they are separated by a distance of 1 mm, how much electrical potential energy is stored in the capacitor? a.) 0.02 J, b.) 0.03 J, c.) 0.04 J, d.) 0.07 J, e.) 0.08 J 7.) The magnetic flux through a 100 turn coil changes from 0.0273 Tm2 to 0 in 0.824 s. What emf is induced in the coil? a.) 2.91 V, b.) 0.29 V, c.) 0.33 V, d.) 3.13 V, e.) 3.31 V 8.) An electric potential has the form V (r) = 16 r -4 r. What is strength of the corresponding electric field when r= 0.2 m in N/C? a.) – 0.32, b.) 3.52, с.) 0.32, d.)-3.52, е.) -1.86 9.) Two electric charges of size 20 mC and 30 mC are separated by a distance of 1 mm. What is the electrical potential energy of charges in J? a.) 5.4 x 10°, b.) 5.4 x 1012, c.) 7.5 x 107, d.) 7.5 x 104 10.) What is the time constant of an RC circuit that contains two resistors connected in series with a single capacitor? a.) 1/RC, b.) ReqC, c.) 1/e, d.) 1/ReqC, e.) RC

College Physics
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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**Question 6:** A dielectric made of Teflon is inserted between the plates of a parallel plate capacitor carrying a charge of 12 μC. Teflon has a dielectric constant of 2.1. If the plates have an area of 0.2 m² and they are separated by a distance of 1 mm, how much electrical potential energy is stored in the capacitor? a.) 0.02 J, b.) 0.03 J, c.) 0.04 J, d.) 0.07 J, e.) 0.08 J --- **Question 7:** The magnetic flux through a 100 turn coil changes from 0.0273 Tm² to 0 in 0.824 s. What emf is induced in the coil? a.) 2.91 V, b.) 0.29 V, c.) 0.33 V, d.) 3.13 V, e.) 3.31 V --- **Question 8:** An electric potential has the form \( V(r) = 16 \cdot r^3 - 4 \cdot r^2 \). What is the strength of the corresponding electric field when \( r = 0.2 \, \text{m} \) in N/C? a.) \(-0.32\), b.) 3.52, c.) 0.32, d.) \(-3.52\), e.) \(-1.86\) --- **Question 9:** Two electric charges of size 20 mC and 30 mC are separated by a distance of 1 mm. What is the electrical potential energy of charges in J? a.) \(5.4 \times 10^9\), b.) \(5.4 \times 10^{12}\), c.) \(7.5 \times 10^7\), d.) \(7.5 \times 10^4\) --- **Question 10:** What is the time constant of an RC circuit that contains two resistors connected in series with a single capacitor? a.) \(1/RC\), b.) \(R_{eq}C\), c.) \(1/e\), d.) \(1/R_{eq}C\), e.) \(RC\)
Transcribed Image Text:**Question 6:** A dielectric made of Teflon is inserted between the plates of a parallel plate capacitor carrying a charge of 12 μC. Teflon has a dielectric constant of 2.1. If the plates have an area of 0.2 m² and they are separated by a distance of 1 mm, how much electrical potential energy is stored in the capacitor? a.) 0.02 J, b.) 0.03 J, c.) 0.04 J, d.) 0.07 J, e.) 0.08 J --- **Question 7:** The magnetic flux through a 100 turn coil changes from 0.0273 Tm² to 0 in 0.824 s. What emf is induced in the coil? a.) 2.91 V, b.) 0.29 V, c.) 0.33 V, d.) 3.13 V, e.) 3.31 V --- **Question 8:** An electric potential has the form \( V(r) = 16 \cdot r^3 - 4 \cdot r^2 \). What is the strength of the corresponding electric field when \( r = 0.2 \, \text{m} \) in N/C? a.) \(-0.32\), b.) 3.52, c.) 0.32, d.) \(-3.52\), e.) \(-1.86\) --- **Question 9:** Two electric charges of size 20 mC and 30 mC are separated by a distance of 1 mm. What is the electrical potential energy of charges in J? a.) \(5.4 \times 10^9\), b.) \(5.4 \times 10^{12}\), c.) \(7.5 \times 10^7\), d.) \(7.5 \times 10^4\) --- **Question 10:** What is the time constant of an RC circuit that contains two resistors connected in series with a single capacitor? a.) \(1/RC\), b.) \(R_{eq}C\), c.) \(1/e\), d.) \(1/R_{eq}C\), e.) \(RC\)
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