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)

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

Explanation / Answer

The magnitude of the charge on the left is greater that on the right.
The force on a (-) test charge at K is directed west
The magnitude of the E-field at S is greater than at R.
The force on a (+) test charge at J is directed east
The sign of the charge on the left is positive. True
The force on a (+) test charge at P is zero. False
The force on a (-) test charge at N is directed west

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