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Solve the all parts of given problem:
Problem: An 18-gauge copper wire (diameter 1.02 mm) carries a current with a current density of 1.50 x 106 A/m2. Copper has 8.5 x 1028 free electrons per cubic meter.
Part A: Calculate the current in the wire?
Part B: Calculate the drift velocity of electrons in the wire?
I need help to find the drift velocity of electrons in the wire and express your answers using two significant figures.
Which of the following will create a magnetic field? Which of the following will emit an EM wave? Choose all that apply.
A vector of magnitude 10 has an angle with the positive x-axis (east) of 120 degrees. What are its components
An object is placed 5 cm in front of a concave lens of focal length 7 cm. Find the image location by drawing a ray tracing diagram to scale
An apartment has a living room whose dimensions are 2.9 m x 4.9 m x 6.0 m. what is the mass (in grams) of the air
A Styrofoam box has a surface area of 0.85 m2 and a wall thickness of 2.0 cm. The temperature of the inner surface is 5.0°C, determine the thermal conductivity of the Styrofoam
A 610 kg elevator starts from rest and moves upward for 3.50 swith constant acceleration until it reaches its cruising speed,1.63 m/s. What is the average power of the elevator
In 1979, a TV station began broadcasting on channel 33 at a frequency of 582 Mhz. Obtain the value of capacitance that allows for this TV station to be tuned in
A person is running at 7 m/s with her hands outstreched abover her head (1.95m from feet to finger tips) she runs exactly horizontally off the edge of a chasm and attempts to grab onto opposite side.
A 1.0--diameter oil droplet (density 900 kg/m^3) is negatively charged with the addition of 28 extra electrons. What is the surface charge density of the plane
a harmonic sound of wavelength 40cm is resonating in the first overtone of an organ pipe which is closed at one end and open at the other. what is the length of the pipe
An object 6 cm high is placed 30 cm from a concave mirror of focal length 10 cm, Calculate size of image
In a heat conductivity experiment, a slab of silicon of thickness 2 x 10^-3m and area of 0.40m^2 seperates condensing steam(lv=540cal/g) at 100 degree C, Find the increase of entropy in the universe during one minute of this experiment
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