Posted by **Anonymous** on Sunday, January 23, 2011 at 7:56am.

In a diagram of electric field lines, q1 has 9 lines going into it and q2 has 27 lines going out of it. If one of

the charges is -40 mC, which of the following could be the other one?

- physics -
**drwls**, Sunday, January 23, 2011 at 8:40am
You offer no choices. The total E-field flux leaving a charge is proportional to the charge. (Gauss' law). The charge with field lines going in is negative. The other charge (with field lines going out) must be positive, and three times the magnitude, or 120 mC

## Answer this Question

## Related Questions

- physics - Which of the following statements about electric field lines due to ...
- physics - please check: Two point charges, initially 1 cm apart, are moved to a ...
- 3 physics question please help quick - Two point charges of opposite sign are ...
- Physics - Two charges +q and −q are separated by a distance d=50 cm. The ...
- College Physics - In an electric field, the lines on the left have twice the ...
- Help Please! - Charges of −4q are fixed to diagonally opposite corners of...
- electric - When an electron moves from A to B along an electric field line in ...
- math,help - i need help with this one i've tried it many ways and still can't ...
- geometry - Martin drew a pair of perpendicular lines and a pair of parallel ...
- physics - When an electron moves from A to B along an electric field line in Fig...

More Related Questions