A large, metallic, spherical shell has no net charge. It is supported on an insulating stand and has a small hole at the top. A small tack with charge Q is lowered on a silk thread through the hole into the interior of the shell, (i) What is the charge on the inner surface of the shell, (a) Q (b) Q /2 (c) 0 (d) -Q/2 or (e) -Q? Choose your answers to the following questions from the same possibilities, (ii) What is The charge on the outer surface of the shell? (iii) The tack is now allowed to touch the interior surface of the shell. After this contact, what is the charge on the tack? (iv) What is the charge on the inner surface of the shell now? (v) What is the charge on the outer surface of the shell now?
A large, metallic, spherical shell has no net charge. It is supported on an insulating stand and has a small hole at the top. A small tack with charge Q is lowered on a silk thread through the hole into the interior of the shell, (i) What is the charge on the inner surface of the shell, (a) Q (b) Q /2 (c) 0 (d) -Q/2 or (e) -Q? Choose your answers to the following questions from the same possibilities, (ii) What is The charge on the outer surface of the shell? (iii) The tack is now allowed to touch the interior surface of the shell. After this contact, what is the charge on the tack? (iv) What is the charge on the inner surface of the shell now? (v) What is the charge on the outer surface of the shell now?
A large, metallic, spherical shell has no net charge. It is supported on an insulating stand and has a small hole at the top. A small tack with charge Q is lowered on a silk thread through the hole into the interior of the shell, (i) What is the charge on the inner surface of the shell, (a) Q (b) Q/2 (c) 0 (d) -Q/2 or (e) -Q? Choose your answers to the following questions from the same possibilities, (ii) What is The charge on the outer surface of the shell? (iii) The tack is now allowed to touch the interior surface of the shell. After this contact, what is the charge on the tack? (iv) What is the charge on the inner surface of the shell now? (v) What is the charge on the outer surface of the shell now?
suggest a reason ultrasound cleaning is better than cleaning by hand?
Checkpoint 4
The figure shows four orientations of an electric di-
pole in an external electric field. Rank the orienta-
tions according to (a) the magnitude of the torque
on the dipole and (b) the potential energy of the di-
pole, greatest first.
(1)
(2)
E
(4)
What is integrated science.
What is fractional distillation
What is simple distillation
Chapter 24 Solutions
Physics for Scientists and Engineers, Technology Update (No access codes included)
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