contestada

A 10.0-V battery is connected to a 120-Ω resistor. Ignoring the internal resistance of the battery, calculate the power delivered to the resistor.

Respuesta :

Answer:

0.83W

Explanation:

Given parameters:

Voltage of the battery  = 10V

Resistance  =  120Ω

Unknown:

Power delivered by the resistor = ?

Solution:

The power delivered by the resistor can be derived using the expression below;

 Power = [tex]\frac{V^{2} }{R}[/tex]  

V is the voltage

R is the resistance

 Now, insert the parameters and solve

  Power  = [tex]\frac{10^{2} }{120}[/tex]   = 0.83W

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