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Question
একটি 1200W বৈদ্যুতিক হিটারকে 120V লাইনে 1 ঘন্টার জন্য সংযুক্ত করা হল। ঐ হিটারে বিদ্যুৎ প্রবাহ কত হবে ?
5 A
360 A
1 A
10 A
ANSWER : 4
Descrption
<p style="margin-left:0px;"><strong>10 A</strong></p><p style="margin-left:0px;">বিদ্যুৎ প্রবাহ ও ক্ষমতার সম্পর্ক,</p><p>P = IV</p><p style="margin-left:0px;">যেখানে,</p><ul><li>P হল ক্ষমতা (W)</li><li>I হল বিদ্যুৎ প্রবাহ (A)</li><li>V হল ভোল্টেজ (V)</li></ul><p style="margin-left:0px;">এই ক্ষেত্রে,</p><ul><li>P = 1200 W</li><li>V = 120 V</li></ul><p style="margin-left:0px;">সুতরাং,</p><p>I = P/V</p><p>I = 1200 W / 120 V</p><p>I = 10 A</p><p style="margin-left:0px;">অতএব, উত্তর হল <strong>10 A</strong>।</p>
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