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You put a diode in a microelectronic circuit to protect the system in case an untrained person installs the battery backward. In the correct forward-bias situation, the current is 225 mA with a potential difference of 111 mV across the diode at room temperature (300 K). If the battery were reversed, so that the potential difference across the diode is still 111 mV but with the opposite sign, what would be the magnitude of the current in the diode?
an electron, proton and an alfa particle, accelerated trough the same potential difference, enter a region of uniform magnetiv field, what are the radii of the electron and alfa particle path
An image of a biological sample is to have a resolution of 5 nm. (i) What is the kinetic energy of a beam of electrons with a de Broglie wavelength of 5.0nm.
Illustrate what was the magnitude of the centripetal acceleration of the rock when it was on the string? (b) What was its speed when it was on the string?
a pumpkin is pushed horizontally at a speed of 2.2 m/s off of a desktop that is 0.8 meters above the floor. how far frome the base of the desk
If 100,000 MHz radar waves are incident on a plane coated with a polymer whose index of refraction is n = 1.50, how thick would you make the coating
Light is an electromagnetic wave and travels at a speed of 3.00 x 10^8 m/s. The human eye is most sensitive to yellow-green light, that has a wavelength of 5.45 x 10^-7m. How you find the frequency of this light.
A projectile is fired with an initial speed of 36.2m/s at an angle of 41.1 degrees above the horizontal on a long flat firing range. determine maxiumum height reached by projectile
A 5.5- kg concrete block rests on a level table. A 3.7- kg mass is attached to the block by a string passing over a light, what is the coefficient of friction between the block and the table
a ball is launched with a velocity of magnitude 7.00 m/s, at an angle of 40.0° to the horizontal. find the angle of its displacement from the launch point
At rest, the car's horn sounds at a frequency of 455 Hz. The horn is sounded while the car is moving down the street. A bicyclist moving in the same direction with one-third the car's speed hears a frequency of 427 Hz. What is speed of the car.
A point source of light is 200 cm below the surface of a body of water. Find out the diameter of the circle at the surface through which light emerges from the water.
Material found with a mummy in the arid highlands of southern Peru has a _6^14 text(C) activity per gram of carbon that is 74.0% of the activity percent initially
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