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A transmission system at a radio station uses a/an _______ to convert a direct current into a high frequency alternating current. A. oscillator B. modulator C. transmitting antenna D. demodulator
A transmission system at a radio station uses an oscillator to convert a direct current into a high frequency alternating current.
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Asked 2/11/2019 9:55:12 AM
Updated 223 days ago|4/28/2024 2:59:26 AM
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If you're driving toward the sun late in the afternoon, you can reduce the glare from the road by wearing sunglasses that permit only the passage of light that's A. dispersed in a spherical plane. B. dispersed in a vertical plane. C. polarized in a vertical plane. D. polarized in a horizontal plane.
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Updated 7/24/2020 8:12:56 AM
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If you're driving towards the sun late in the afternoon, you can reduce the glare from the road by wearing sunglasses that permit only the passage of light that's polarized in a vertical plane.

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