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The generator in the diagram has rms voltage 45 V, at angular frequency omega = 1,000...
20. The generator in the diagram has ms voltage 45 V, at angular frequency a 1,000...
20. The generator in the diagram has ms voltage 45 V, at angular frequency a 1,000 radis The resistance is R-3.0 ?, and the reactances are x,-6.0 ? und Xe-20a (a) Find L, C, the impedance, the rms current, the phase angle by which the vortag leads/lags the v and the average power L- mH PAV (b) The generator frequency is now re-set to the resonance frequency; the emf is still 45 V, rms. Find the new values of current...
A 55.0 Hz generator with an rms voltage of 110 V is connected in series to...
A 55.0 Hz generator with an rms voltage of 110 V is connected in series to a 3.40 k Ohm resistor and a 1.00 mu F capacitor. Find the rms current in the circuit. Find the phase angle, Phi, between the current and the voltage.
An AC generator has an output rms voltage of 92 V at a frequency of 64 Hz. If the generator is co...
An AC generator has an output rms voltage of 92 V at a frequency of 64 Hz. If the generator is connected across a 20 mH inductor, find the following. (a) inductive reactance; and (b) rms current O A) 11.4 ohm; b) 8.45 A O B a)8.4 ohm; b) 8.45 A O C) 11.4 ohm; b) 61.4A O D a) 8.04 ohm; b) 11.4 A
An AC generator has an output rms voltage of 92 V at a frequency of...
Consider a microscope that consists of an objective lens and an eyepiece separated by 19.7 cm....
Consider a microscope that consists of an objective lens and an eyepiece separated by 19.7 cm. The focal length of the objective lens is 0.20 cm, and the focal length of the eyepiece lens is 2.5 cm. Assume the final image is produced at a distance of 25 cm. (a) Find the magnification of the microscope. You may assume that the focal lengths are far smaller than the size of the microscope. (b) Draw a ray diagram for this microscope.
A 75.0 Hz generator with an rms voltage of 110 V is connected in series to...
A 75.0 Hz generator with an rms voltage of 110 V is connected in series to a 3.50 k Ohm resistor and a 2.50 mu F capacitor. Find the rms current in the circuit. Find the phase angle. Phi, between the current and the voltage. Incorrect;; 5 attempts remaining Incorrect;; 5 attempts remaining
A microscope has an objective lens with a focal length of 19.5 mm and an eyepiece with a focal length of 6.2 mm. With the length of the barrel set an 33.0 cm, the diameter of a red blood cell’s image...
A microscope has an objective lens with a focal length of 19.5 mm and an eyepiece with a focal length of 6.2 mm. With the length of the barrel set an 33.0 cm, the diameter of a red blood cell’s image subtends an angle of 1.2 milli-radians with the eye. The final image distance is 29.0 cm from the eyepiece. (a) What is the length of the image of the of the cell produced by the eyepiece? (b) Using the...
Question no 1 A] How many electrons are necessary to produce 1.2 C of negative charge?...
Question no 1 A] How many electrons are necessary to produce 1.2 C of negative charge? (e 1.60 x 10-19 C) CI Roman is nearsighted and his far point is 150cm from his eyes. What should be the focal length of his eyeglass lens so that he can focus on a very distant object? (i) Draw a labelled ray diagram with the eyeglass lens. (i) Find the power of his lens. (Power- 1/(focal length (in meter) D] A compound microscope...
A microscope has an objective lens with a focal length of 15.0 mm . A small...
A microscope has an objective lens with a focal length of 15.0 mm . A small object is placed 0.90 mm beyond the focal point of the objective lens. Part A) At what distance from the objective lens does a real image of the object form? My answer: s' = 270 mm Part B) What is the magnification of the real image? My answer: m = -17 Part C) If an eyepiece with a focal length of 2.5 cm is...
An AC generator with an output rms voltage of 42 V at a frequency of 60...
An AC generator with an output rms voltage of 42 V at a frequency of 60 Hz is connected across a 3 µF capacitor. Find the following. (a) capacitive reactance ____Ω (b) rms current _____ A (c) maximum current in the circuit ___ A
This is a two part question. Part 1. To look closely at a small object, such...
This is a two part question. Part 1. To look closely at a small object, such as an insect or a crystal, you bring it close to your eye, making the subtended angle and the retinal image as large as possible. But your eye cannot focus sharply on objects that are closer than the near point, so the angular size of an object is greatest when it is placed at the near point (25 cm away from a “normal” eye)....
20. The generator in the diagram has ms voltage 45 V, at angular frequency a 1,000 radis The resistance is R-3.0 ?, and the reactances are x,-6.0 ? und Xe-20a (a) Find L, C, the impedance, the rms current, the phase angle by which the vortag leads/lags the v and the average power L- mH PAV (b) The generator frequency is now re-set to the resonance frequency; the emf is still 45 V, rms. Find the new values of current...
A 55.0 Hz generator with an rms voltage of 110 V is connected in series to a 3.40 k Ohm resistor and a 1.00 mu F capacitor. Find the rms current in the circuit. Find the phase angle, Phi, between the current and the voltage.
An AC generator has an output rms voltage of 92 V at a frequency of 64 Hz. If the generator is connected across a 20 mH inductor, find the following. (a) inductive reactance; and (b) rms current O A) 11.4 ohm; b) 8.45 A O B a)8.4 ohm; b) 8.45 A O C) 11.4 ohm; b) 61.4A O D a) 8.04 ohm; b) 11.4 A
An AC generator has an output rms voltage of 92 V at a frequency of...
Consider a microscope that consists of an objective lens and an eyepiece separated by 19.7 cm. The focal length of the objective lens is 0.20 cm, and the focal length of the eyepiece lens is 2.5 cm. Assume the final image is produced at a distance of 25 cm. (a) Find the magnification of the microscope. You may assume that the focal lengths are far smaller than the size of the microscope. (b) Draw a ray diagram for this microscope.
A 75.0 Hz generator with an rms voltage of 110 V is connected in series to a 3.50 k Ohm resistor and a 2.50 mu F capacitor. Find the rms current in the circuit. Find the phase angle. Phi, between the current and the voltage. Incorrect;; 5 attempts remaining Incorrect;; 5 attempts remaining
Question no 1 A] How many electrons are necessary to produce 1.2 C of negative charge? (e 1.60 x 10-19 C) CI Roman is nearsighted and his far point is 150cm from his eyes. What should be the focal length of his eyeglass lens so that he can focus on a very distant object? (i) Draw a labelled ray diagram with the eyeglass lens. (i) Find the power of his lens. (Power- 1/(focal length (in meter) D] A compound microscope...
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