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Question

একটি ট্রানজিস্টারের

α = 0.98

I_{E} = 1.5 m A

I_{B}

এর মান কত ?

30 μ A

40 μ A

50 μ A

60 μ A

ANSWER : 1

Descrption

<p><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>α</mi><mo>=</mo><mfrac><msub><mi>I</mi><mi>C</mi></msub><msub><mi>I</mi><mi>E</mi></msub></mfrac><mspace linebreak="newline">&nbsp;</mspace><mo>⇒</mo><msub><mi>I</mi><mi>C</mi></msub><mo>=</mo><mi>α</mi><mo>×</mo><msub><mi>I</mi><mi>E</mi></msub><mspace linebreak="newline">&nbsp;</mspace><mo>&nbsp;</mo><mo>&nbsp;</mo><mo>&nbsp;</mo><mo>&nbsp;</mo><mo>&nbsp;</mo><mo>&nbsp;</mo><mo>&nbsp;</mo><mo>&nbsp;</mo><mo>&nbsp;</mo><mo>=</mo><mn>0</mn><mo>.</mo><mn>98</mn><mo>×</mo><mn>1</mn><mo>.</mo><mn>5</mn><mi>m</mi><mi>A</mi><mspace linebreak="newline">&nbsp;</mspace><mo>&nbsp;</mo><mo>&nbsp;</mo><mo>&nbsp;</mo><mo>&nbsp;</mo><mo>&nbsp;</mo><mo>&nbsp;</mo><mo>&nbsp;</mo><mo>&nbsp;</mo><mo>&nbsp;</mo><mo>=</mo><mn>1</mn><mo>.</mo><mn>47</mn><mi>m</mi><mi>A</mi><mspace linebreak="newline">&nbsp;</mspace><msub><mi>I</mi><mi>B</mi></msub><mo>=</mo><msub><mi>I</mi><mi>E</mi></msub><mo>-</mo><msub><mi>I</mi><mi>C</mi></msub><mspace linebreak="newline">&nbsp;</mspace><mo>&nbsp;</mo><mo>&nbsp;</mo><mo>&nbsp;</mo><mo>&nbsp;</mo><mo>=</mo><mn>1</mn><mo>.</mo><mn>5</mn><mi>m</mi><mi>A</mi><mo>&nbsp;</mo><mo>-</mo><mo>&nbsp;</mo><mn>1</mn><mo>.</mo><mn>47</mn><mi>m</mi><mi>A</mi><mspace linebreak="newline">&nbsp;</mspace><mo>&nbsp;</mo><mo>&nbsp;</mo><mo>&nbsp;</mo><mo>&nbsp;</mo><mo>=</mo><mn>0</mn><mo>.</mo><mn>03</mn><mi>m</mi><mi>A</mi><mspace linebreak="newline">&nbsp;</mspace><mo>&nbsp;</mo><mo>&nbsp;</mo><mo>&nbsp;</mo><mo>&nbsp;</mo><mo>&nbsp;</mo><mo>=</mo><mn>30</mn><mi>μ</mi><mi>A</mi></math></p>

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