The electric field from two charges in the plane of the paper is represented by

Question

The electric field from two charges in the plane of the paper is represented by the dashed lines and arrows below.

Select a response for each statement below. (Use 'North' towards top of page, and 'East' to the right)

The force on a (-) test charge at S is zero.
The force on a (-) test charge at M is directed ....
The sign of the charge on the left is positive.
The force on a (-) test charge at N is directed ....
The force on a (+) test charge at L is directed ....
The magnitude of the charge on the right is .... that on the left.
The magnitude of the E-field at R is .... than at J.

The chocises are : [ North, South, East, West, Greater than, Less than, Equal to, True, False ]

Explanation / Answer

The force on a (-) test charge at S is zero. (False)
The force on a (-) test charge at M is directed ..(East)..
The sign of the charge on the left is positive. (True)
The force on a (-) test charge at N is directed .(West)...
The force on a (+) test charge at L is directed ..(East)..
The magnitude of the charge on the right is Greater than that on the left.
The magnitude of the E-field at R is .Less than... than at J.

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