Three Equal Negative Point Charges -Q Are Placed at Three

question 61

Multiple Choice

Three equal negative point charges -q are placed at three of the corners of a square of side d as shown in the figure.Which one of the arrows shown represents the direction of the net electric field at the vacant corner of the square?

• A)A
• B)B
• C)C

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Definitions:

Skinner Box

An experimental apparatus developed by B.F. Skinner for studying behavioral conditioning in animals, typically involving rewards and/or punishments.

Rubik's Cube

A 3D combination puzzle invented by Ernő Rubik in 1974, consisting of a cube with each of its six faces covered by nine stickers, each of one of six solid colors.

Law of Effect

A principle stating that behaviors followed by satisfying consequences are more likely to be repeated, while those followed by unsatisfying consequences are less likely to be repeated.

Reinforcement

In behavioral psychology, a process by which a behavior is strengthened or increased by its consequences.