A 20-μF Capacitor That Is Initially Uncharged Is Charged Through a a 50-KΩ

question 68

Multiple Choice

A 2.0-μF capacitor that is initially uncharged is charged through a 50-kΩ resistor.How long does it take for the capacitor to reach 90% of its full charge?

• A)0.90 s
• B)0.23 s
• C)2.2 s
• D)2.3 s

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Definitions:

Syncline

A fold in sedimentary strata that resembles a trough, where the youngest rocks are at the core of the fold.

Crust Thickness

The measure of the depth or the vertical extent of the Earth's crust, varying between oceanic and continental regions.

Rule of Thumb

A widely used guideline or principle that is not strictly accurate or reliable for every situation but provides a good general estimate.

Isostatic Rebound

Uplifting caused by the removal of weight on top of the crust, as when an ice sheet melts away or when erosion strips material off the top of a thick crustal root of a mountain.