How does the energy of an E-field vary with its strength? A energy ~ (E-field)12 B...
A-How does the electric field vary as one moves away from a point charge? –the outside of a spherical distribution of charge? -- the inside hollow space of a spherical distribution of charge? –a line of charge? -- far away from a dipole along the perpendicular bisector? -- an infinite sheet of charge? -- inside a capacitor? B-Describe electric field lines from a sphere? –from a flat surface? -- from a pointed object? C- What is the geometric relationship between...
An electric field of strength E = 4700 N/C is directed along the
+x-axis as shown.
An electric field of strength E = 4700 N/C is directed along the +x-axis as shown. What is the magnitude of the potential difference between point B and point A if the distance between these two points is 10 cm? An electron is initially at rest at point B. How much kinetic energy (in electron-Volts, or eV) will the electron gain by moving to...
How does the magnetic field due to a long straight wire carrying current vary with distance from the wire, ?
4. As you approach an infinite sheet with uniform charge density, the strength of the E-field will a. increase. b.remain the same. c. decrease. 5. What is the strength of the E-field 0.100 m away from an infinite line charge with uniform charge density .00x107 Clm E-__ ke-899 x 109 -12 C 6 = 8.85 × 10 2TEoT 26o
For a point charge, how does the potential vary with distance from the point charge, r? a. constant b. r c. 1/r d. 1/r2 e. r2
1- For a uniform electric field, how is the electric potential energy similar to the gravitational potential energy in a uniform gravitational? 2-If a positive charge and a negative charge moving the same way in an electric field have the same change in electric potential energy? 3-For a positive charge moving in an electric field, which direction of motion will cause the electric potential energy to increase? Decrease? Stay constant? 4-How would the answers to the previous question be different...
The earth's magnetic field, like any magnetic field, stores energy. The maximum strength of the earth's field is about 7.0 10-5 T. Find the maximum magnetic energy stored in the space above a city if the space occupies an area of 2.00 108 m2 and has a height of 1100 m.
The earth's magnetic field, like any magnetic field, stores energy. The maximum strength of the earth's field is about 7.0 10-5 T. Find the maximum magnetic energy stored in the space above a city if the space occupies an area of 7.20 108 m2 and has a height of 800 m.
VERSIUN -B- nen a positive charge moves opposite to the direction of the electric field, A) the field does positive work on it and the potential energy increases. B) the field does positive work on it and the potential energy decreases. C) the field does negative work on it and the potential energy increases. Motion D) the field does negative work on it and the potential energy decreases. 2) A strong lightning bort transfers about 40 C to Earth. How...
The earth's magnetic field, like any magnetic field, stores energy. The maximum strength of the earth's field is about 7.0 x 10-5 T. Find the maximum magnetic energy stored in the space above a city if the space occupies an area of 4.9 x 106 m2 and has a height of 1900 m.