10. Electrons are flowing clockwise in a circuit connected to a resistor and an

Question

10. Electrons are flowing clockwise in a circuit connected to a resistor and an EMF source. Which best describes the vector current density, J? A. J is in the counterclockwise direction. B. J is in the clockwise direction. C. The magnitude of J is less than it would be if the moving charges were protons. D. The magnitude of J is greater than it would be if the moving charges were protons. 10. Electrons are flowing clockwise in a circuit connected to a resistor and an EMF source. Which best describes the vector current density, J? A. J is in the counterclockwise direction. B. J is in the clockwise direction. C. The magnitude of J is less than it would be if the moving charges were protons. D. The magnitude of J is greater than it would be if the moving charges were protons. 10. Electrons are flowing clockwise in a circuit connected to a resistor and an EMF source. Which best describes the vector current density, J? A. J is in the counterclockwise direction. B. J is in the clockwise direction. C. The magnitude of J is less than it would be if the moving charges were protons. D. The magnitude of J is greater than it would be if the moving charges were protons.

Explanation / Answer

In ordinary conductor when the electrons flowing from left to right the direction of the current and current density is defined as being from right to left.

So, answer is current density J is in the counterclockwise direction.

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