Laptop batteries are rated in W⋅hW⋅h, the product of the power (in WW) that the battery can provide and the time (in hh) that it can provide this power. For instance, a 50 W⋅hW⋅h battery can provide 50 WW for 1.0 hh, 25 WW for 2.0 hh, and so on. A 10.8 VV laptop battery is rated at 74 W⋅hW⋅h.

Question

Emily Wilcox

Physics

13 June, 13:28

Laptop batteries are rated in W⋅hW⋅h, the product of the power (in WW) that the battery can provide and the time (in hh) that it can provide this power. For instance, a 50 W⋅hW⋅h battery can provide 50 WW for 1.0 hh, 25 WW for 2.0 hh, and so on. A 10.8 VV laptop battery is rated at 74 W⋅hW⋅h.

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Answers (1)

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Isis Kidd · Answer 1

6.85C

Explanation:

the charge and the current are related by

Q = I*t

where Q = charge in columbs

v = 10.8

P = IV

I = P/V = 74/10.8

I = 6.85 A

the battery will supply a charge of (6.85*1) C

6.85C

in 1 hour