Why such power supply with large internal resistance safer
High voltage power supplies are sometimes designed to have a rather large internal resistance as a safety precaution. Why is such a power supply with a large internal resistance safer than one with the same voltage, but lower internal resistance?
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A 13 g bullet traveling 222 m/s penetrates a 2.0 kg block of wood and emerges cleanly at 162 m/s. If the block is stationary on a frictionless surface when hit, how fast does block move after the bullet emerges?
For each of the first 7 seconds of free-fall, calculate the distance that the hammer falls and its velocity at that particular moment.
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A 0.27 kg rod of length 95 cm is suspended by a frictionless pivot at one end. It is held horizontal and released. (a) Immediately after it is released, what is the acceleration of the center of the rod? (b) Find the initial acceleration of a point o
Why is such a power supply with a large internal resistance safer than one with the same voltage, but lower internal resistance?
What are psychological considerations and sociological effects of robotic surveillance ?
The distance to the Andromeda Galaxy is estimated at about 2 x 10(6) light years. A light year is the distance traveled by light in one year; if the speed of light is 3 x 10(8) m/s, about how far is it from our galaxy to Andromeda? (1 year =3.15 x
In studying the legal environment of business, Professor Dooley's students also review ethics in a business context. Ethics includes the study of what constitutes?
Estimate the Calorie content of 70 g of candy from the following measurements. A 15-g sample of the candy is allowed to dry before putting it in a bomb calorimeter.
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Follow these guidelines when completing each component of the Collaboration Café. Contact your course faculty if you have questions.
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Discuss how to close the health care disparities gap in the LGBTQ community?