The battery for a certain cell phone is rated at 3.70 V. According to the manufacturer it can produce 3.00×10^4J of electrical energy, enough for 7.20 h of operation, before needing to be recharged. Find the average current that this cell phone draws when turned on.

Explanation:

Given data

Voltage V=3.70V

time t=7.20h=25920s

Energy E=3.00×10⁴J

To find

Average current I

Solution

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luster is not a good characteristic to use by itself because luster is the property of minerals that indicates how much the surface of a mineral reflects light. the luster of a mineral is affected by the brilliance of the light used to observe the mineral surface.

technology is the application of the knowledge gained by science.