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Which of the following isn't true of an electric field?
Answer
An electric field can as well as does exist in vacuum. Except for the one about vacuum the entire the answers are part of the definition of the electric field. It is an electric field in the vacuum in a television picture tube which accelerates electrons to the front of the picture tube where they crash into a phosphorescent coating causing the latter to emit the light which we see as television images.
A thin uniform rectangular sign hangs vertically above the door of a shop. The sign is hinged to a stationary horizontal rod along its top edge. The mass of the sign is 2.40 kg and
I have a circuit and using Kirchhoff''s second law I need to find the current across one of the battery. How should I do that?
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We can produce energy from dynamic Casimir effect?
Explain the concept of coherence.Discuss temporal coherence and spatial coherence.
Two point charges q and -q are splitted by distance 2l. Find the flux of electric field strength vector across the circle of radius R placed with its centre coinciding with the cet
Is a sewing needle magnetic or non magnetic? Answer:- When you purchase it in the store it isn't magnetized but if you rub it with a magnet it becomes magnetic.
Q. Ski Saga Problem? James Bond is skiing down a snowy slope in an attempt to run off a hostile pursuer. Unfortunately the pursuer has a speed advantage since James is only abl
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