It is an example of balanced force.
hope this helps. good luck
Current = charge per second
2 Coulombs per second = 2 Amperes
Potential difference = (current)x(resistance) in volts.
That's (2 Amperes) x (2 ohms).
That's how to do it.
I think you can find the answer now.
A negative ion is a atom that has an extra electron, but the same # of protons
The answer is 5. To find the advantage you just divide 20 by 4.
