superpuglover7026 superpuglover7026
  • 24-02-2020
  • Physics
contestada

An ideal battery provides a voltage of 24.00 V and delivers a constant current of 2.37 mA to an appliance. How much work does the battery do in three minutes?

Respuesta :

aristeus aristeus
  • 25-02-2020

Answer:

Work done by battery will be equal to 10.238 J

Explanation:

We have given ideal an ideal battery with ideal voltage V = 24 volt

Constant current [tex]i=2.37mA=2.37\times 10^{-3}A[/tex]

Resistance will be equal to [tex]R=\frac{V}{i}=\frac{24}{2.37\times 10^{-3}}=10126.58ohm[/tex]

Time is given t = 3 minutes = 3×60 = 180 sec

We have to find work done by battery

Work done is equal to [tex]W=i^2Rt=(2.37\times 10^{-3})^2\times 10126.58\times 180=10.238J[/tex]

So work done by battery will be equal to 10.238 J

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