How much heat can a resistor take?

How much heat can a resistor take? The resistor is dissipating 400 mW, so its temperature rise will be about (400 mW)(200 °C/W) = 80 °C. If it’s on a open board on your desk, you can probably figure 25 °C maximum ambient, so the resistor could get to 105 °C. Note that’s hot enough […]

What do u mean by uniform circular motion?

What do u mean by uniform circular motion? Uniform circular motion can be described as the motion of an object in a circle at a constant speed. As an object moves in a circle, it is constantly changing its direction. At all instances, the object is moving tangent to the circle. Nonetheless, it is accelerating […]

Is ultrasound tech school hard?

Is ultrasound tech school hard? Difficult but Worth the Effort It takes two years to complete, but the degree from a CAAHEP accredited program qualifies the sonography student to take the ARDMS exams. It is necessary to take required courses like physiology, anatomy, physics, sonography instrumentation and medical terminology. Which is the best ultrasound machine? […]

Is the Congo river dangerous?

Is the Congo river dangerous? In a country with few paved roads, boarding an overcrowded boat on a treacherous river is a way of life. This weekend, journeys on the dangerous waterways stole the lives of up to 270 people. What country is called the heart of Africa? Malawi What language is spoken in Malawi […]

How do you stop a fission chain reaction?

How do you stop a fission chain reaction? In the operation of a nuclear reactor, fuel assemblies are put into place and then the control rods are slowly lifted until a chain reaction can just be sustained. As the reaction proceeds, the number of uranium-235 nuclei decreases and fission by-products which absorb neutrons build up. […]

Is too much walking bad for joints?

Is too much walking bad for joints? A new study shows that middle-aged men and women who engage in high levels of physical activity — at home and at work as well as at the gym — may be unwittingly damaging their knees and increasing their risk for osteoarthritis. The study involved men and women […]

How Machines make our life easier?

How Machines make our life easier? But how do these machines help? Simple machines make our lives easier by changing the amount of force or the direction of the force being applied (added). There are four simple machines that we use most often in our lives. An inclined plane is a slanted surface that helps […]

Has anyone hit a homerun in every ballpark?

Has anyone hit a homerun in every ballpark? When this question was posed early in 2019, I had given the answer that Mark Reynolds and Curtis Granderson had homered in every MLB ballpark. While the Toddfather is only 32nd on the active career HR list, he has nonetheless managed to homer in every current ballpark […]

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