Homework Statement
I just got to two problems on my high school homework that i have no idea what to do because the teacher did not tell us how.
A generator can provide a maximum output emf of 170V. Calculate the rms potential difference.
Homework Equations
Do not know any relevant...
Homework Statement
The Electric field between a cloud and the ground is 1.0X10^6 N/C. If 35C of charge is transferred to the ground (lightning bolt) over a distance of 2.3km, what is the voltage of the cloud.
Homework Equations
q=mg/E?
The Attempt at a Solution
I don't have the...
Homework Statement
If a ping-pong ball has a charge of 3.2x10-5C, how many too many or to few electrons does it have
Homework Equations
# of electrons=charge/fundamental charge
The Attempt at a Solution
3.2X10-5C/1.6X10-19=
2.0X1014
What do i do now, and i do not get what it...