Physics, 18.03.2021 02:50 katswindle11
A copper conductor of cross-sectional area 2.1 x 10^-6 m^2
carrying a current of
2.1 ampere. Find the mean velocity of electron flow in the conductor. The electron
concentration in copper is 8.5 x 10^28 m^3
Answers: 3
Physics, 22.06.2019 03:50
The intensity of a polarized electromagnetic wave is 12 w/m^2. part a) what will be the intensity after passing through a polarizing filter whose axis makes the angle θ=0∘ with the plane of polarization? part b) what will be the intensity after passing through a polarizing filter whose axis makes the angle θ=30∘ with the plane of polarization? part c) what will be the intensity after passing through a polarizing filter whose axis makes the angle θ=45∘ with the plane of polarization? part d) what will be the intensity after passing through a polarizing filter whose axis makes the angle θ=60∘ with the plane of polarization? part e) what will be the intensity after passing through a polarizing filter whose axis makes the angle θ=90∘ with the plane of polarization?
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Physics, 22.06.2019 07:00
Which statement is best supported by the information in the chart? wave y is moving the fastest. wave x is moving the fastest. all of the waves are moving at the same speed. all of the waves have the same value of wavelengths per second.
Answers: 3
A copper conductor of cross-sectional area 2.1 x 10^-6 m^2
carrying a current of
2.1 ampere....
2.1 ampere....
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