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Light Bulbs in Series and in Parallel. Two light bulbs have resistances of 500 ? and 1000 ?. The two light bulbs are connected in series across a 110 V line. (a) Find the current through the 500 ? bulb. A Find the current through the 1000 ? bulb. A (b) Find the power dissipated in the 500 ? bulb. W Find the power dissipated in the 1000 ? bulb. W Find the total power dissipated in both bulbs. W The two light bulbs are now connected in parallel across the 110 V line. (c) Find the current through the 500 ? bulb. A Find the current through the 1000 ? bulb. A (d) Find the power dissipated in the 500 ? bulb. W Find the power dissipated in the 1000 ? bulb. W Find the total power dissipated in both bulbs. W (e) In each situation, which of the two bulbs glows the brightest? The 500 bulb is brighter when the resistors are in series, and the 1000 bulb is brighter when they are in parallel. The 1000 bulb is brighter when the resistors are in series, and the 500 bulb is brighter when they are in parallel. The 1000 bulb is brighter both when the resistors are in series and when they are in parallel. The 500 bulb is brighter both when the resistors are in series and when they are in parallel. In which situation is there a greater total light output from both bulbs combined? The greatest total light output is when the bulbs are in series. The total light output is the same in both cases. The greatest total light output is when the bulbs are in parallel.
Determine the concentration of SO42- necessary to precipitate BaSO4 and SrSO4. Which compound, BaSO4 and SrSO4, precipitates first. What is the SO42- concentration when the second ion begins to precipitate
A long solenoid with 9.28 turns/cm and a radius of 7.85 cm carries a current of 15.8 mA. What is the magnitude of the magnetic field there
1. How would you characterize P&G's product development and marketing strategy toward Japan in the 1970s and 1980s? What were the advantages of this strategy? What were the drawbacks?
An inexpensive microscope has a tube length of 12.0cm , and its objective lens is labeled with a magnification of 10x. Calculate the focal length of the objective lens
0.10M potassium chromate is slowly added to a solution containing 0.50 M AgNO3 and 0.05 M Ba(NO4)2. What is the Ag+ concentration when BaCrO4 just starts to precipitate. The Ksp for Ag2CrO4 and BaCrO4 are 1.1 x 10^-12 and 1.2 x 10^-10 respectively..
a particle with positive charge q = 6.40 x 10-19 C moving with speed v = 8.13 x 105 m/s toward a long straight wire with current i = 229 mA, What is the magnitude of the force on the particle due to the current
City of Charlottesville 2010 Annual Comprehensive Plan
A certain nuclear power plant is capable of producing 1.3×109 W of electric power. How much mass is converted per hour if the efficiency of the plant is 29 percent
An ideal gas is contained in a cylinder with a volume of 5.0x10^2 mL at a temperature of 30. degrees C and a pressure of 710. torr. The gas is then compressed to a volume of 18mL, and the temperature is raised to 818 degree C. What is the new pres..
Liquid water at 453K and 1002 kPA has an internal energy of 762 kJ/kg and a density of 890 kg/m^3 a) what is the enthalpy (per weight)? b) We change the state to 573K and 1500 kPA. The internal energy is now 2784 kJ/kg and the specific volume 169.7 c..
A man is standing on a platform that is connected to a pulley arrangement, as the drawing shows. What pulling force should the man apply to create an upward acceleration of 1.20 m/s2
A batter hits a baseball m = 0.48 kg from rest with a force of F = 86 N, The ball is in contact with the bat for t = 0.26 s. How far did he ball travel horizontally in meters
A spring is hung from the ceiling. A 0.400-kg block is then attached to the free end of the spring. Find the angular frequency of the block's vibrations
An ideal gas at 12.4 °C and a pressure of 1.41 x 105 Pa occupies a volume of 2.85 m3. How many moles of gas are present
In order to manufacture these coffee tables, the company would need to incur $525,000 in fixed costs for new equipment. Calculate the break-even point of the coffee tables in units sold. Illustrate what would be the total revenue at the break-even po..
A u-tube with constant cross section is partly filled with water. Engine oil of density 0.8g/cm3 is poured into the right arm (without mixing) until the water level rises 2.0cm. The length of the oil column is then.
A father racing his son has half the kinetic energy of the son, who has one-third the mass of the father, What is the original speed of the father
A ball is thrown 20.0 m/s at an angle of 40.0º with the horizontal. Assume the ball is thrown at ground level. How long does it take the ball to reach the wall
A cannon at the top of a 181 m high cliff fires at a pirate ship. The cannonball has an initial velocity of 138 m/s at 30° above horizontal. How far out from the cannon does the cannonball land
A Carnot engine has 40 g of helium gas as its working substance. It operates between two reservoirs of temperatures T1 = 400°C and T2 = 60°C. find the work generated by this engine during one cycle
Identifcal 2.0uC charges are placed on the vertices of a square with sides that are 2.0m in length. Determine the electric potential at the center of the square
you are standing on a bridge that is 50.0 m above a dried up riverbed. what is the minimum spring constant that the bungee cord must have for you not to hit the riverbed
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