Chapter 23: 40 - Excercises And Problems (page 655)
Derive Equation for the field in the plane that bisects an electric dipole.
Short Answer
The Equitorial time at field point is .
Chapter 23: 40 - Excercises And Problems (page 655)
Derive Equation for the field in the plane that bisects an electric dipole.
The Equitorial time at field point is .
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Get started for freeThree charges are placed at the corners of the triangle in FIGURE The charge has twice the quantity of charge of the two - charges; the net charge is zero. Is the triangle in equilibrium? If so, explain why. If not, draw the equilibrium orientation.
A small object is released at point in the center of the capacitor in FIGURE . For each situation, does the object move to the right, to the left, or remain in place? If it moves, does it accelerate or move at constant speed?
a. A positive object is released from rest.
b. A neutral but polarizable object is released from rest.
c. A negative object is released from rest.
You have a summer intern position with a company that designs and builds nanomachines. An engineer with the company is designing a microscopic oscillator to help keep time, and you’ve been assigned to help him analyze the design. He wants to place a negative charge at the center of a very small, positively charged metal ring. His claim is that the negative charge will undergo simple harmonic motion at a frequency determined by the amount of charge on the ring.
a. Consider a negative charge near the center of a positively charged ring centered on the . Show that there is a restoring force on the charge if it moves along the but stays close to the center of the ring. That is, show there’s a force that tries to keep the charge at . b. Show that for small oscillations, with amplitude , a particle of mass with chargeundergoes simple harmonic motion with frequency ,are the radius and charge of the ring.
c. Evaluate the oscillation frequency for an electron at the center of a diameter ring charged to .
Along thin glass rod uniformly charged toand a -long thin plastic rod uniformly charged toare placed side by side, apart. What are the electric field strengthstoat distances, and from the glass rod along the line connecting the midpoints of the two rods?
Rank in order, from largest to smallest, the electric field strengths to at the five points inFIGURE . Explain.
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