Physics and Astronomy Labs/group 1

1 The units for qV=energy

energy
Joule/Coloumb
Joules
Coloumb

2 If an electrons charge is = to 2 then....

I=2r
I=1/2r
I=4r
I=10r

3 If an electrons charge is = to 1/2 then...

I=1/2r
I=2r
I=4r
I=10r

4 In the gravitational analogy to electrostatics and electricity, what is the analog to charge? (Here, m is mass, h is height, and g is gravitational acceleration.

m
mg
mgh
gh