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Question
একটি ট্রানজিস্টরের
α
=
0
.
98
ও
I
E
=
1
.
5
m
A
হলে
I
C
=
?
1.450 mA
1.457 mA
1.470 mA
1.740 mA
ANSWER : 3
Descrption
<p style="margin-left:0px;"><strong>1.470 mA</strong>।</p><p style="margin-left:0px;">ট্রানজিস্টরের প্রবাহ বিবর্ধন গুণক (α) হল সংগ্রাহক প্রবাহ (IC) এবং নিঃসারক প্রবাহ (IE) এর অনুপাত। অর্থাৎ,</p><p>α = IC / IE </p><p style="margin-left:0px;">প্রদত্ত,</p><p>α = 0.98 </p><p>IE = 1.5 mA </p><p style="margin-left:0px;">সুতরাং,</p><p>0.98 = IC / 1.5 mA </p><p>IC = 0.98 * 1.5 mA </p><p>IC = 1.470 mA </p><p style="margin-left:0px;">অতএব, উত্তর হল <strong>1.470 mA</strong>।</p>
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