A Particle of Charge +2q Is Placed at the Origin

question 46

Multiple Choice

A particle of charge +2q is placed at the origin and particle of charge -q is placed on the x-axis at x = 2a.Where on the x-axis can a third positive charge be placed so that the net electric force on it is zero?

• A)3.4a
• B)6.8a
• C)8.6a
• D)9.3a
• E)1.0a

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Definitions:

Marginal Utility

The extra pleasure or benefit gained by a consumer from consuming an additional unit of a product or service.

Marginal Utility

The additional satisfaction or utility gained from consuming an extra unit of a good or service.

Water-Diamond Paradox

A concept in economics that questions why diamonds are more expensive than water despite water being essential for survival and diamonds not.

Marginal Utility

The additional satisfaction or benefit received from consuming one more unit of a good or service.