Physics, 23.08.2019 19:30 flyingcerberus1408
Light of wavelength 400 nm and a power of 1.83 x 10-6 w is incident onto a photodetector with quantum efficiency 0.57. the sensor is connected to a 5.7 k52 load resistor and operated at a temperature of 300 k. (a) determine the responsivity of the detector. (b) determine the photocurrent produced by the detector. (c) if the sensor is connected to a 5.7 ks2 load resistor, determine the voltage generated across the load resistor from this photocurrent. (d) if the detector is dominated by johnson noise and has a measurement bandwidth of 1 mhz, estimate the snr.
Answers: 1
Physics, 22.06.2019 00:00, madskate9993
During physical science, ms. greene challenged her students to produce an energy transformation. james and jill wrapped a 4-inch nail with a coil of fifty turns of wire. they connected one end of the coil to one terminal of a knife switch. they connected the other terminal of the knife switch to the battery. finally, they connected the end of the coil to the other terminal of the battery. james held the tip of a 1-inch nail near the flat end of the 4-inch nail. jill closed the knife switch quickly and then opened it. the 1-inch nail was pulled toward the 4-inch nail. what is the best explanation of why the nail moved? a) electrical energy was converted to mechanical energy in the 1-inch nail. b) the 4-inch nail became an electromagnet and the magnetic force attracted the 1-inch nail. c) the electric current in the 4-inch nail was converted to mechanical energy in the 1-inch nail. d) the 4-inch nail had a positive charge and the 1-inch nail had a negative charge. opposites attracted.
Answers: 1
Physics, 22.06.2019 07:10, cschellfamily
Road users moving into your lane, brake lights, and abrupt changes in road surface are a. rare at night b. indicators of potential hazards c. not worth worrying about before you reach them d. no problem for experienced drivers
Answers: 1
Light of wavelength 400 nm and a power of 1.83 x 10-6 w is incident onto a photodetector with quantu...
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