Which is required for convection to occur?
a. a solid substance
b. a heat source<...
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Physics, 22.06.2019 03:50, cyberdac01
Which statement correctly describes a step-up transformer? a. it increases the amount of electric energy available. b. it increases the voltage of an electric current. c. it changes direct current into alternating current. d. it has more loops of wire in its primary coil.
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Physics, 22.06.2019 04:10, jackrider6563
Unpolarized light of intensity so passes through two sheets of polarizing material whose transmission axes make an angle of 60ā with each other as shown in the figure. what is the intensity of the transmitted beam, st?
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