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A full-wave rectifier circuit with a 1K ohm load perates from a 120V (rms) 60-Hz huusehold supply throught a 5-to-1 transformer having a center-tapped secondary winding. It uses two silicon diodes that can be modeled to have 0.7-V drop for all currents. What is the peak voltage of the rectified output? For what fraction of a cycle does each diode conduct? What is the average output voltage? What is that average current in the load?
A copper wire has a resistance of 0.400 at 20.0°C, and an iron wire has a resistance of 0.430 at the same temperature
A 0.075 kg toy airplane is tied to the ceiling with a string. When the airplane's motor is started, it moves with a constant speed of 1.15 m/s in a horizontal circle of radius 0.35 m
A 31.0 kg child runs with a speed of 3.00 m/s tangential to the rim of a stationary merry-go-round. Calculate the initial kinetic energy of the system
How much work is done by the gravitational force on the block during this displacement?How much work is done by the normal force
A physics book slides off a horizontal tabletop with a speed of 2.30 m/s. It strikes the floor in 0.350 s. Find the height of the tabletop above the floor
A two-slit interference experiment is set up, and the fringes are displayed on a screen. How does the fringe pattern change
A horizontal circular platform rotates counterclockwise about its axis at the rate of 0.877 rad/s. You, with a mass of 70.5 kg, compute the total angular momentum of the system
What is the required average power.
A surface is infinitesimally close to and surrounds a dipole. The electric flux during the surface must be zero, since the net charge it surrounds is zero. How is it possible for the dipole to have an electric field and be consistent with Gauss' t..
A long rod, insulated to prevent heat loss along its sides, is in perfect thermal contact with boiling water (at atmospheric pressure) at one end and with an ice-water mixture at the other.
Consider a series LRC circuit with R=21 ?, L=0.29 H and C=0.4 µF. The current is 14 mA amplitude at 1.6 kHz. Find the angular resonant frequency of oscillations
A spherical mirror is to be usedto form, on a screen located 4.50 m from the object, What should be the magnitude of its radius of curvature
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