Consider a 4500. ohm resistor in series with a 133. mH inductor. What capacitance should be added in series so that the impedance is a minimum at 500. KHz?

A) 2.67 ?F
B) 0.627 pF
C) 0.762 pF
D) 7.26 ?F
E) 0.267 pF


C

Physics & Space Science

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In a solar cell the light initially passes through the n-type silicon to reach the pn-junction where it is desired that the light absorption occur. If we want at least 90 percent of the light entering a silicon solar cell to reach the pn-junction region, what is the maximum thickness of the n-type material for 0.6 ?m light assuming pure silicon?

What will be an ideal response?

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One of the factors that escape velocity depends on is the:

A) mass of the celestial body. B) rate of spin of the celestial body. C) magnitude of the surrounding magnetic field. D) rate of atomic reactions within the celestial body.

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For a star of Sun-like mass, what is the last stage of the nuclear fusion?

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Two charged particles 1 m apart exert a 1-N force on each other. If the particles are instead 0.25-m apart, the force on each particle will be

A) 1.0 N. B) 2.0 N. C) 4.0 N. D) 8.0 N. E) 16.0 N.

Physics & Space Science