Unpolarized light of intensity is incident on three polarizing filters. The axis of the first is vertical, that of the second is from vertical, and that of the third is horizontal. What light intensity emerges from the third filter
Light intensity emerges from the third filter is .
First Angle is .
Second angle is .
Intensity for third filter is,
2. Sharon drives her rocket through the magnetic field of FIGURE Q31.2 traveling to the right at a speed of as measured by Bill. As she passes Bill, she shoots a positive charge backward at a speed of relative to her.
a. According to Bill, what kind of force or forces act on the charge? In which directions? Explain.
b. According to Sharon, what kind of force or forces act on the charge? In which directions? Explain.
A simple series circuit consists of a resistor, a battery, a switch, and a parallel-plate capacitor (initially uncharged) with plates apart. The switch is closed at s.
a. After the switch is closed, find the maximum electric flux and the maximum displacement current through the capacitor.
b. Find the electric flux and the displacement current at
Shows the electric field inside a cylinder of radius . The field strength is increasing with time as , where is in . The electric field outside the cylinder is always zero, and the field inside the cylinder was zero for .
Find an expression for the electric flux through the entire cylinder as a function of time.
. Draw a picture showing the magnetic field lines inside and outside the cylinder. Be sure to include arrowheads showing the field’s direction.
. Find an expression for the magnetic field strength as a function of time at a distance from the center. Evaluate the magnetic field strength at, .
d. Find an expression for the magnetic field strength as a function of time at a distance from the center. Evaluate the magnetic field strength at , .
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