If the highest frequency modulating a carrier is 5 kHz, then the number of AM broadcast stations accommodated in a 90 kHz bandwidth are……….

<p>Band Width = 2 × n × the highest modulation frequency</p><p><span contenteditable="false"> <math> <mrow> <mo>⇒</mo> <mi>n</mi> <mo>=</mo> <mfrac> <mrow> <mn>9</mn> <mn>0</mn> <mi>k</mi> <msub> <mrow> <mi>H</mi> </mrow> <mrow> <mi>z</mi> </mrow> </msub> </mrow> <mrow> <mn>2</mn> <mo>×</mo> <mn>5</mn> <mi>k</mi> <mi>H</mi> <mi>z</mi> </mrow> </mfrac> <mo>=</mo> <mn>9</mn> </mrow> </math> </span></p>

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