Please answer the first 3 questions as per guidelines spacing in this part of the3. An electron has a kinetic energy of 6.4 × 10-19 J. What is this energy in electron volts?4. Find the number of particles each carrying the charge of an electron that passes betweenthe terminals of a 12-V car battery when a 100-W headlight is on for one hour.5. Using a zero reference potential at infinity, determine the amount by which a pointcharge of 8 x 10-10 C alters the electric potential at a point 2 m away when the chargeis positive.6. Two parallel plates of a condenser are 5 mm apart. The potential difference betweenthem is 1200 V. (a) What is the potential gradient in the condenser? (b) What is theelectric force on a proton midway between the plates?7. Suppose two identical spheres are given charges of 4q and q respectively. If they areplaced in contact with one another and then separated, what charge is retained by eachsphere?8. What is meant by the potential energy of a system of point charges? How will youcalculate this potential energy?

Answered: Image /qna-images/answer/0694c2e9-58b4-4a45-ba6b-44253eb59d99.jpg

spacing in this part of the field 3. An electron has a kinetic energy of 6.4 × 10-19 J. What is this energy in electron volts? numher of narticles each carrying the charge of an electron that passes between

spacing in this part of the field 3. An electron has a kinetic energy of 6.4 × 10-19 J. What is this energy in electron volts? numher of narticles each carrying the charge of an electron that passes between

Inquiry into Physics

8th Edition

ISBN:9781337515863

Author:Ostdiek

Publisher:Ostdiek

Chapter7: Electricity

Section: Chapter Questions

Problem 8Q

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Concept explainers

Magnetic Field Of Coaxial Cable

The word coaxial means same axis. So for a long straight cable to be coaxial, it must have concentric cylindrical shaped conductor around it. Coaxial cable (popularly called ‘coax’) has various applications ranging from current conductors to radiofrequency signal transmitters. This cable has lower emission losses and provides protection from electromagnetic interference which allows signals with less power to transmit over longer distances.For example, currents produced in the pickup of a stereo turntable generally travel to the amplifier through a coaxial cable.The self-inductance of a coaxial cable is another important characteristic, because it influences the propagation of electrical signals in the cable.

Question

Please answer the first 3 questions as per guidelines

spacing in this part of the
3. An electron has a kinetic energy of 6.4 × 10-19 J. What is this energy in electron volts?
4. Find the number of particles each carrying the charge of an electron that passes between
the terminals of a 12-V car battery when a 100-W headlight is on for one hour.
5. Using a zero reference potential at infinity, determine the amount by which a point
charge of 8 x 10-10 C alters the electric potential at a point 2 m away when the charge
is positive.
6. Two parallel plates of a condenser are 5 mm apart. The potential difference between
them is 1200 V. (a) What is the potential gradient in the condenser? (b) What is the
electric force on a proton midway between the plates?
7. Suppose two identical spheres are given charges of 4q and q respectively. If they are
placed in contact with one another and then separated, what charge is retained by each
sphere?
8. What is meant by the potential energy of a system of point charges? How will you
calculate this potential energy?

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