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A 300 mH inductor and a 200 ohm light bulb are connected in series during a switch to a 12 volt DC power supply as shown.
1. Sketch a graph of the current vs. time starting when the switch is closed. Show an approximate time value and final current value on your sketch for reference.
2. Discover the energy stored in the inductor after the switch has been closed a long time.
An electron experiences the greatest force as it travels 1.02*10^6 m/s in a magnetic field when it is moving horizontally. The force is upward and of magnitude 1.75*10^-12 N. What is the magnitude of the magnetic field?
At one end of a ripple tank 90 cm across, a 6 Hz vibratorproduces waves whose wavelength is 50 mm. Find the time the waves need to cross the tank
A 5cm object is 30 cm in front of the converging lens with a focal length of 15 cm. calculate the image height
A platform with a total weight of 2900lbf is raised by a power screw at a rate of 20 in/s. How much power is exerted on the platform? Do the power screws require precisely, more, or less than that amount?
In extremely cold weather conditions where the inside thermostat is set to 27 C and the outside temperature is -20C, How much energy might you lose in one week
An object is placed 16.8 centimeter from a first converging lens of focal length 10.6 centimeter. Determine how far from the second lens is the image of first lens
A slender rod with a length of 0.300m rotates with an angular speed of 8.80rad/s about an axis through one end and perpendicular to the rod. What is the induced emf in the rod
A block slides down a frictionless ramp of height 0.37 meters. How far will the block travel from the base of the ramp before the velocity reaches 2.3 m/s
A solenoid is designed to produce a magnetic field of 2.50×10?2 at its center. It has a radius of 1.70 and a length of 44.0 , What total length of wire is required
An electron traveling 10^7 m/s to the right enters a constant electric field that slows it to rest. a.)what is the potential different that the electron travels through as it slows down? b.)if the electron travels 0.1 meters before coming to a stop, ..
a typical automobile under hard braking loses speed at a rate of about 6.4 ms2 the typical reaction time to engage the
a capacitor is connected across an ac generator whose frequency is 810 hz and whose peak output voltage is 170 v. the
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