In general you can often work out the answers to questions like this by considering units. In this case, we don't need to figure out what Watts / Farads is(1),

In general you can often work out the answers to questions like this by considering units. In this case, we don't need to figure out what Watts / Farads is(1), we can see that Volts^Hz is not going to give us anything well-behaved. (1)[m^4 kg^2 s^-7 A^-2]