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For the RC circuit given below, the switch is moved from position A to position B at time equal to 0 seconds. Prior to moving the switch, the capacitor voltage was 0 V.
(a) Calculate the charging circuit time constant.
(b) Calculate the duration of the transient time (charging cycle).
(c) What is the capacitor voltage at t= 1.0 s?
A flywheel for energy storage in a hybrid gasoline-electric car is a ring-shaped rotor of mass 49 kg, designed to rotate at 30000 rpm. how long will it take for its stored energy to be exhausted
Why is surface wind always directed at some angle across sea-level isobars toward lower pressure? Why is the surface wind directed across the sea-level isobars at a greater angle in Madison than over the middle of Lake Michigan.
A 2 meter straight wire carrying 5 Amp current runs horizontally and experiences 8 Newton horizontal force while in a 2 T magnetic field. Obtain direction of the magnetic field with respect to horizontal
A permanent magnet is hung from a string ( balanced ) and pointed in an East - West orientation and released. Describe its motion
Determine the power delivered to the LED. Calculate the capacitance of this device. Determine how many hours a fresh battery will power the flashlight.
A student uses an audio oscillator of adjustable frequency to measure the depth of a water well. What is the depth of the well
Above graph shows the data collected by a student who wanted to find the resistance of an unknown resistor. Questions below are based on the graph and his experiment. What is the law he can probably use in the above experiment?
twenty moles of a monatomic ideal gas r 53 undergo an adiabatic process. the initial pressure is 400 kpa and the
A 2.40-g bullet embeds itself in a 1.30-kg block, which is attached to a spring of force constant 740N/m, Find the time for the bullet-block system to come to rest
The electric potential in a region in a space is given by V(x) = 3xz2 + x2y + yz (in volts). Find the electric field in this region at the coordinate (2,4,3) in meters
Two capacitors (2,0 uF and 4,0 uF) are connected in series across 300-V potential difference. Calculate the total stored energy in the system
What force does the laser beam exert on the mirror?
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