# B Influx vs. radius equation, mistake in the dimensions?

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1. Jul 11, 2016

### Phys12

The video:

2. Jul 12, 2016

### malawi_glenn

I do not know if that definition of Flux is covered in the video you posted, but Flux is defined as energy that passes a unit area per unit time. So Flux has units W/m2 or J/(s*m2)

3. Jul 12, 2016

### Phys12

Okay, so I guess that the professor missed out on unit per time. He included only the unit per area.