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In a Hall-effect experiment, a current of 2.1 A sent lengthwise through a conductor 1.0 cm wide, 4.5 cm long, and 12?m thick produces a transverse (across the width) Hall voltage of 9.6 ?V when a magnetic field of 1.2 T is passed perpendicularly through the thickness of the conductor.
From these data, find the drift velocity of the charge carriers.
Find the number density of charge carriers. ( m-3)
Transvers waves: Speed of wave on streatched string. Two steel wires are stretched with the same tension. The first wire has a diameter of 0.610 mm and the second wire has a diameter of 0.910 mm
Two people carry a heavy electric motor by placing it on a light board 2.00 m long. One person lifts at one end with a force of 100 N, and the other lifts the opposite end with a force of 900 N.
A series RLC circuit consists of a 50ohm resistor, a 3.3 mH inductor, and a 480 nF capacitor. What is the instantaneous current i when e=e_0
Boat A negotiates a curve whose radius is 370 m. Boat B negotiates a curve whose radius is 120 m. Each boat experiences the similar centripetal acceleration. What is the ratio of speed of boat A to that of boat B.
In one of the original Doppler experiments a tuba was played on a moving flat train car at a frequency of 75 hz, What beat frequency was heard if the train car approached the station at a soeed of 10m/s
A power station with an efficiency of 0.5 generates 10^8W of electric power and dissipates 1.00 x10^8 W of thermal energy to the cooling water that flows through it.
It was revealed that 120 people had only 1 admission, 81 had 2 admissions, 48 had 3 admissions, 18 had 4 admissions, 18 had 5 admissions, and 15 had 6 admissions or more admissions. Does the data support the mayor's claim? Show the calculations or..
A copper wire has radius r = 0.424 cm, is 6.00 m long, has resistivity ? = 1.72·10-8 ? m, What is the electric field, E, in the wire
In a museum exhibit, three equal weights are hung with identical wires. Each wire can support a tension of no more than 72.0N without breaking. Under these conditions, what is the tension in the middle wire
In an RL circuit, the electromotive force is 3.1 V, the inductance is 17.3 mH, and the resistance is 9 ohms. Find the maximum value of the current
starting from its nest, an eagle flies at constant speed for 3.0 min due east, then 4.0 min due north. how long is the eagle in the air
A line of charge with uniform density of 32.0 nC/m lies along the line y = -15.0 cm, Find the electric field it creates at the origin
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