An electric field is directed along the tangent of an equipotential surface. a) True b) False
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An electric field is directed along the tangent of an equipotential surface.
a) True
b) False
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- A homemade capacitor is assembled by placing two 8-in. pie pans 6 cm apart and connecting them to the opposite terminals of a 9-V battery. Part A Estimate the capacitance. Express your answer using one significant figure. 国 C = 5.74 • 10 - 10 F Submit Previous Answers Request Answer X Incorrect; Try Again; 3 attempts remainingEVALUATE THE STATEMENT. Inserting a dielectric material between two charged parallel conducting plates, originally separated by air and still connected to a battery, will increase both (I) capacitance and (II) charge. I is true, II is false I is false, II is true Both I and II are true Both I and II are falseWhich of the following is NOT TRUE concerning equipotential surfaces: A. equipotential surfaces of a point charge are spherical B. electric field lines are perpendicular to equipotential forces C. work must be done to move a charged particle along an equipotential surface D. the equipotential surfaces of two charged parallel plates are parallel to the plates E. the surface of a conductor in equilibrium is an equipotential surface
- What is the magnitude of the electric field at point A? A) 10 V/m B) 25 V/m C) 30 V/m D) 75 V/m E) 100 V/mSelect the correct expression for the capacitance of a parallel plate capacitor with two plates of the area A separated by the distance ?r and filled with a substance of relative permittivity ε rAn external electric field, E, is applied to a region which contains a dielectric. Which of the following statements is true? O The net electric field within the dielectric is less than E. O The dielectric produces an electric field in the opposite direction to E. O The molecules in the dielectric become polarized. O All the above statements are true.