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One application of L-R-C series circuits is to high-pass or low-pass filters, which filter out either the low-or high-frequency components of a signal. A high-pass filler is shown in Figure. where the output voltage is taken across the L-R combination. The L-R combination represents an inductive coil that also has resistance due to the large length of wire in the coil.) Derive an expression for Vout/Vs, the ratio of the output and source voltage amplitude, as a function of angular frequency ω of the source. Show that when ω is small, this ratio is proportional to ω and thus is small, and show that the ratio approach unity in the limit of large frequency.
Suppose L1 has a focal length of -5 cm. This is in direct contact with a second lens named L2. If an object is placed 5 cm from the lens combination, the resulting magnification is seen to be M=-10. Find the focal length of the second lens in ..
Calculate the temperature at which a tung- sten filament that has an emissivity of 0.25 and a surface area of 6.6×10?5 m2 will radiate energy at the rate of 51Win a roomwhere the temperature is 26?C. The Stefan-Boltzmann constant is 5.6696 × 10?8 W/m..
a skydiver of mass 83.0 kg jumps from a slow-moving aircraft and reaches a terminal speed of 54.9 ms.a what is her
A ball is thrown vertically upward with a speed of 1.63m/s from a point 4.21m above the ground. What is the time at which it will reach the ground.
a 100mA current flows through a copper wire 0.10mm in diameter, a 1.0mm diameter glass tube containing a salt solution, and a vacuum tube, Find the drift speed in the electron beam
In Fig. 29-43, point P2 is at perpendicular distance R = 21.4 cm from one end of straight wire of length L = 10.7 cm carrying current i = 0.949 A. (Note that the wire is not long.) What is the magnitude of the magnetic field at P2 (in T)?
You and your friend Peter are putting new shingles on a roof pitched at 23 degrees. with what speed should you push the box to have it gently come to rest right at the edge of the roof
A compass needle in a uniform magnetic field of 0.25 T experiences a torque of 0.030Nm, What is the magnitude of the needle's magnetic moment
Two tuning forks have frequencies of 272 Hz and 294 Hz. What is the beat frequency if both tuning forks are sounded simultaneously
A ball is thrown so that its initial vertical and horizontal components of velocity are 60 m/s and 15 m/s, estimate the ball's total time of flight
a block 20cm wide by 60 cm long balances (symetrically on a similar block which is fixed to the ground. What is the mass of the upper block
How many kilometers would you have to go above the surface of the earth for your weight to decrease to 28% of what it was at the surface
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