If the electric field inside a capacitor exceeds about 3 106 V/m, the few free e

Question

If the electric field inside a capacitor exceeds about 3 106 V/m, the few free electrons in the air are accelerated enough to trigger an avalanche and make a spark. In the spark shown in the diagram, electrons are accelerated upward and positive ions are accelerated downward.

(a) If the electric field inside a capacitor exceeds about 3 x 10 Vfm, the few free electrons in the air are accelerated enough to trigger an avalanche and make a spark. In the spark shown in the diagram, electrons are accelerated upward and positive ions are rated dow t Oi out of the page ® into the page t 0 m zero magnitude Which arrow best indicates the direction of propagation or electromagnetic radiation reaching location A? Select Which arrow best indicate direction of propagation or electromagnetic radiation rea g location C? Select What is the direction of the radiative electri d observed at locatio n A? Select What is the direction of the radiative electri d observed at location C? Select is the direction of the radiative magnetic field observed at locatio What n A7 Select- What is the direction of the radiative magnetic field observed at location C? Select- Tf you are at location Ard 9 meters to the left of the capacitor, how long after the initiation of the spark could you flrst detect a magnetic fleld?

Explanation / Answer

direction of propagation of electromagnetic radiation reaching location A is 'g'

direction of propagation of electromagnetic radiation reaching location C is 'd'

direction of radiative electric field observed at location A is " a"

direction of radiative electric field observed at location C is 'b'

direction of radiative magnetic field observed at location A is 'k'

direction of radiative magnetic field observed at location C is 'j'

spark is detected after=9/3x10^8

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