- #1
roger
- 318
- 0
Hi
I was given this formula for magnetic field strength:
H=vector product v *d(flux density vector)
I wanted to know why it's dependent on velocity of charge ?
And what is permittivity ? I'ts calibrated to vacuum I'm assuming, but what is there to resist charge ?
thanks in advance
Roger
I was given this formula for magnetic field strength:
H=vector product v *d(flux density vector)
I wanted to know why it's dependent on velocity of charge ?
And what is permittivity ? I'ts calibrated to vacuum I'm assuming, but what is there to resist charge ?
thanks in advance
Roger