Particles 1, with Charge Q₁ and 2, with a Charge

question 7

Multiple Choice

Particles 1, with charge q₁ and 2, with a charge q₂ are on the x axis, with particle 1 at x = a with and particle 2 at x = -2a. For the net force on a third charged particle, at the origin to be zero q₁ and q₂ must be related by q₂=:

• A) 2q₁
• B) 4q₁
• C) -2q₁
• D) -4q₁
• E) -q₁/4

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Definitions:

Carbon-Zinc

A type of battery chemistry characterized by the use of carbon and zinc as the electrode materials, often used in household batteries.

Alkaline

A type of battery chemistry that is based on the reaction between zinc and manganese dioxide, characterized by high energy density.

Hydrometer

A device used to measure the specific gravity of a fluid, such as the electrolyte used in a battery.

Specific Gravity

The ratio of the volume and weight of a substance to an equal volume and weight of water. Water has a specific gravity of 1.