A Conducting Sphere of Radius R₁ = 10 Cm and Charge

question 10

Multiple Choice

A conducting sphere of radius r₁ = 10 cm and charge q₁ = 2 C is placed far apart from a second conducting sphere of radius r₂ = 30 cm and charge q₂ = 3 C.The two spheres are then connected by a thin conducting wire.What is the charge on the first sphere after the two spheres are connected by the wire?

• A)2  C
• B)2.5  C
• C)3  C
• D)1.25  C
• E)none of the above

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Definitions:

Straight-Line Method

A method of calculating depreciation by dividing the cost of an asset, minus its salvage value, by its useful life.

Residual Value

The estimated scrap or salvage value of an asset at the end of its useful life.

Depreciation Expense

The allocation of the cost of a tangible asset over its useful life, reflecting the decrease in value of the asset over time due to use, wear, or obsolescence.

Double-Declining-Balance

A method of accelerated depreciation that doubles the rate at which an asset loses value compared to straight-line depreciation.