This is about power dissipation.

In summary, power dissipation is the process of converting electrical energy into heat, which can affect the performance and reliability of electronic devices. It is measured in watts or milliwatts and can be reduced by using components with lower resistance, optimizing circuit design, and implementing efficient cooling methods.
  • #1
raoulduke1
12
0
i got part (a) by using the equation Vab + E - Ir
Which gives 26.57V (also the current = 1.171A)
Having trouble getting the power dissipated, any ideas?
 

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  • #2
raoulduke1 said:
i got part (a) by using the equation Vab + E - Ir
Which gives 26.57V (also the current = 1.171A)
Having trouble getting the power dissipated, any ideas?

Welcome to the PF.

You just have a current divider with those two parallel resistors. Find the voltage across the parallel combination of those two resistors, and use that voltage independently to calculate the power dissipated in each resistor.
 
  • #3
Thanks man, its good be here!
 

Related to This is about power dissipation.

1. What is power dissipation?

Power dissipation is the process of converting electrical energy into heat, which is then released into the surrounding environment. It occurs when an electrical component or circuit experiences resistance, resulting in the loss of energy in the form of heat.

2. Why is power dissipation important?

Power dissipation is important because it can affect the performance and reliability of electronic devices. Too much heat can cause components to overheat and fail, leading to malfunctions or damage. Therefore, managing power dissipation is crucial in designing and operating electronic systems.

3. How is power dissipation measured?

Power dissipation is typically measured in watts (W) or milliwatts (mW). It can be calculated by multiplying the voltage across a component or circuit by the current flowing through it. Alternatively, it can be measured using specialized equipment such as a power meter or oscilloscope.

4. What factors affect power dissipation?

Several factors can affect power dissipation, including the resistance of the components or circuit, the amount of current flowing through them, and the ambient temperature. Higher resistance, current, and temperature will result in higher power dissipation.

5. How can power dissipation be reduced?

There are several ways to reduce power dissipation, including using components with lower resistance, optimizing circuit design to minimize current flow, and implementing efficient cooling methods. Choosing energy-efficient components and properly managing power consumption can also help reduce power dissipation.

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