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1. What elements other than arsenic and antimony can be used as an impurity with germanium to form an n-type semiconductor? What elements other than gallium and indium can be used to form a p-type semiconductor?
2. Could the conductivity of a semiconductor be affected by electron bombardment? By bombardment by other particles?'
The pressure inside a bottle of champagne is 4.5 atm higher than the air pressure outside. Obtain the frictional force on the cork due to the neck of the bottle
In an experiment in physics class, a model solid-fueled rocket is fired vertically with an acceleration of 3 m/sec2 for 6 seconds. After that time, What is the maximum altitude the rocket reaches
A skateboarder starts up a 1.0-m-high, 30ramp at a speed of 7.2m/s. The skateboard wheels roll without friction. At the top, she leaves the ramp and sails during the air.
An AC generator supplies an rms voltage of 120 V at 60.0 Hz. It is connected in series with a 0.350 H inductor, a 5.00 ?F capacitor, What is the peak voltage across the capacitor
A child whose weight is 270 N slidesdown a 6.2 m playground slide that makesan angle of 20° with the horizontal. If she starts at the top with a speed of 4.97 m/s, what is her speed at the bottom
A highway curve has a radius of 0.14 km and is unbanked. A car weighing 12 kN goes around the curve at a speed of 24 m/s without slipping. What is the magnitude of the horizontal force of the road on the car?
In a very big closed tank, the absolute pressure of the air above the water is 6.41 x 105 Pa. Calculate the speed at which the water leaves the nozzle
water skiers often ride to one side of the center line of a boat as shown in the figure . in this case the ski boat is
The generator at a power plant produces AC at 48,000 V. A transformer step this up to 345,000 V for transmission over power lines. If there are 1000 turns of wire in the input coil of the transformer, how many turns must there be in the output coil?
Discover the minimum aperture diameter of a camera that can resolve detail on the ground the size of a person (2.0 m) from an SR-71 Blackbird airplane flying at an altitude of 29 km.(Assume light with a wavelength of 440 nm.)
A bunch of grapes is placed in a spring scale at a supermarket. What is the mass of the grapes
Water is discharged from a large pump and travels at an average velocity of 48 ft/sec. What is the kinetic energy of each lbm of water leaving the pump
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