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      <title>NHÓM LÝ 8A5 by Nguyễn Thị Mai Phương</title>
      <link>https://padlet.com/phuongntm200215/uscnhhq7tjc054ol</link>
      <description>Được tạo ra bằng tiếng cười</description>
      <language>en-us</language>
      <pubDate>2021-07-10 09:21:01 UTC</pubDate>
      <lastBuildDate>2026-01-04 19:32:14 UTC</lastBuildDate>
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      <item>
         <title>Bài 4.1</title>
         <author></author>
         <link>https://padlet.com/phuongntm200215/uscnhhq7tjc054ol/wish/1643992836</link>
         <description><![CDATA[<div>a) Sơ đồ mạch điện: <br>b) Cách 1: <br>*Vì R1 và R2 ghép nối tiếp nên:<br>+) I1 = I2 = I = 0,2A <br>+) UAB = U1 + U2<sub><br></sub>&nbsp; U1 = I.R1 = 1V<br>&nbsp; U2 = I. R2 = 1V<br>&nbsp; UAB = U1 + U2 = 1 + 2 = 3V<br>Cách 2:<br>Ta có: Điện trở tương đương của đoạn mạch là:&nbsp;<br>Rtđ = R1 + R2&nbsp;<br>&nbsp; &nbsp; &nbsp; = 5 + 10&nbsp;<br>&nbsp; &nbsp; &nbsp; = 15 Ω<br>- Hiệu điện thế của đoạn mạch AB là:&nbsp;<br>UAB = I.Rtđ = 0,2.15 = 3V<br>Vậy b) UAB = 3V<br><br><br></div>]]></description>
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         <pubDate>2021-07-10 09:28:42 UTC</pubDate>
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      <item>
         <title>Bài 4.2</title>
         <author></author>
         <link>https://padlet.com/phuongntm200215/uscnhhq7tjc054ol/wish/1643999427</link>
         <description><![CDATA[<div>Bài 4.2:&nbsp;<br>a) Cường độ dòng điện của điện trở là:<br>I = U/R = 12/10 = 1,2A<br>b)&nbsp;</div>]]></description>
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         <pubDate>2021-07-10 09:50:43 UTC</pubDate>
         <guid>https://padlet.com/phuongntm200215/uscnhhq7tjc054ol/wish/1643999427</guid>
      </item>
      <item>
         <title>Bài 4.3</title>
         <author></author>
         <link>https://padlet.com/phuongntm200215/uscnhhq7tjc054ol/wish/1643999561</link>
         <description><![CDATA[<div>a) Điện trở tương đương của mạch là:&nbsp;<br>Rtđ = R1+ R2 = 10 + 20 = 30 Ω<br>- Cường độ dòng điện là:&nbsp;<br>I = UAB/Rtđ = 12/30 = 0,4A<br>- Hiệu điện thế giữa hai đầu điện trở là:&nbsp;<br>U1 = I.R1 = 0,4.10 = 4V<br>Vậy vôn kế = 4V; Ampe kế = 0,4A<br><br></div>]]></description>
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         <pubDate>2021-07-10 09:51:06 UTC</pubDate>
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      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/phuongntm200215/uscnhhq7tjc054ol/wish/1645037618</link>
         <description><![CDATA[]]></description>
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         <pubDate>2021-07-12 01:53:29 UTC</pubDate>
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      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/phuongntm200215/uscnhhq7tjc054ol/wish/1645039959</link>
         <description><![CDATA[]]></description>
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         <pubDate>2021-07-12 01:54:26 UTC</pubDate>
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      <item>
         <title></title>
         <author>phuongntm200215</author>
         <link>https://padlet.com/phuongntm200215/uscnhhq7tjc054ol/wish/1645099036</link>
         <description><![CDATA[<div>Bài 4.1 đến 4.4 đây nhé!</div>]]></description>
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         <pubDate>2021-07-12 02:19:03 UTC</pubDate>
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      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/phuongntm200215/uscnhhq7tjc054ol/wish/1645669973</link>
         <description><![CDATA[<div>Con nộp bài ạ</div>]]></description>
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         <pubDate>2021-07-12 08:12:03 UTC</pubDate>
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      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/phuongntm200215/uscnhhq7tjc054ol/wish/1645670476</link>
         <description><![CDATA[]]></description>
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         <pubDate>2021-07-12 08:12:44 UTC</pubDate>
         <guid>https://padlet.com/phuongntm200215/uscnhhq7tjc054ol/wish/1645670476</guid>
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      <item>
         <title>Bài 4.4</title>
         <author></author>
         <link>https://padlet.com/phuongntm200215/uscnhhq7tjc054ol/wish/1646619198</link>
         <description><![CDATA[<div>a) Vì R1 ghép nối tiếp với R2 nên: I1=I2=I=IA<br>Số chỉ của Ampe kế là:<br>IA= I2 = U2/R2 = 3/15 = 0,2A<br>b) Có I = U/Rtđ<br>Điện trở tương đương của đoạn mạch là:&nbsp;<br>Rtđ = R1 + R2 = 5 + 15 = 20 Ω<br>Hiệu điện thế giữa hai đầu AB của đoạn mạch là:<br>UAB = I.Rtđ = 0,2.20 = 4V</div>]]></description>
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         <pubDate>2021-07-13 01:04:13 UTC</pubDate>
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      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/phuongntm200215/uscnhhq7tjc054ol/wish/1649583707</link>
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         <pubDate>2021-07-14 15:15:09 UTC</pubDate>
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      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/phuongntm200215/uscnhhq7tjc054ol/wish/1649585391</link>
         <description><![CDATA[]]></description>
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         <pubDate>2021-07-14 15:16:32 UTC</pubDate>
         <guid>https://padlet.com/phuongntm200215/uscnhhq7tjc054ol/wish/1649585391</guid>
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      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/phuongntm200215/uscnhhq7tjc054ol/wish/1649589752</link>
         <description><![CDATA[]]></description>
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         <pubDate>2021-07-14 15:19:55 UTC</pubDate>
         <guid>https://padlet.com/phuongntm200215/uscnhhq7tjc054ol/wish/1649589752</guid>
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      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/phuongntm200215/uscnhhq7tjc054ol/wish/1649590716</link>
         <description><![CDATA[]]></description>
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         <pubDate>2021-07-14 15:20:14 UTC</pubDate>
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      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/phuongntm200215/uscnhhq7tjc054ol/wish/1649648208</link>
         <description><![CDATA[]]></description>
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         <pubDate>2021-07-14 16:14:05 UTC</pubDate>
         <guid>https://padlet.com/phuongntm200215/uscnhhq7tjc054ol/wish/1649648208</guid>
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      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/phuongntm200215/uscnhhq7tjc054ol/wish/1649648637</link>
         <description><![CDATA[]]></description>
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         <pubDate>2021-07-14 16:14:30 UTC</pubDate>
         <guid>https://padlet.com/phuongntm200215/uscnhhq7tjc054ol/wish/1649648637</guid>
      </item>
      <item>
         <title>ĐOẠN MẠCH SONG SONG: R1//R2</title>
         <author>phuongntm200215</author>
         <link>https://padlet.com/phuongntm200215/uscnhhq7tjc054ol/wish/1650577260</link>
         <description><![CDATA[<div>1. I = I1 + I2<br>2. U = U1 = U2<br>3. 1/Rtđ = 1/R1 + 1/R2<br><br>BTVN: SÁCH BÀI TẬP: 5.1 - 5.4, làm ra vở và chụp up lên đây nhé!<br><br><br></div>]]></description>
         <enclosure url="" />
         <pubDate>2021-07-15 03:55:22 UTC</pubDate>
         <guid>https://padlet.com/phuongntm200215/uscnhhq7tjc054ol/wish/1650577260</guid>
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      <item>
         <title>link padlet </title>
         <author>phuongntm200215</author>
         <link>https://padlet.com/phuongntm200215/uscnhhq7tjc054ol/wish/1650580745</link>
         <description><![CDATA[<div>https://bit.ly/LY8A5<br>Các con ghi ra giấy, chỉ cần ghi bit.ly/LY8A5 là được nhé!</div>]]></description>
         <enclosure url="" />
         <pubDate>2021-07-15 03:57:45 UTC</pubDate>
         <guid>https://padlet.com/phuongntm200215/uscnhhq7tjc054ol/wish/1650580745</guid>
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      <item>
         <title>Bài 5.1</title>
         <author>thaininhbg2016</author>
         <link>https://padlet.com/phuongntm200215/uscnhhq7tjc054ol/wish/1655505072</link>
         <description><![CDATA[<div>a) Điện trở tương đương của đoạn mạch là: <br>RAB = R1.R2/R1+R2<br>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp;= 15.10/15+10 <br>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp;= 6Ω<br>b) Cường độ dòng điện của đoạn mạch chính là: <br>I = IA <br>&nbsp; = Uv/Rtđ<br>&nbsp; =12/6<br>&nbsp; = 2A <br>Vì R<sub>1</sub> mắc song song với R<sub>2</sub> nên<br> U<sub>1</sub> = U<sub>2</sub> = U<sub>V</sub> = 12V<br>=&gt; I1 = U1/R1<br>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp;= 12/15<br>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp;=0,8A<br>I2 = U2/R2<br>&nbsp; &nbsp; =12/10<br>&nbsp; &nbsp; = 1,2A<br>Vậy I chỉ 2A, I1 chỉ 0,8A, I2 chỉ 1,2A<br><br></div>]]></description>
         <enclosure url="" />
         <pubDate>2021-07-20 03:09:25 UTC</pubDate>
         <guid>https://padlet.com/phuongntm200215/uscnhhq7tjc054ol/wish/1655505072</guid>
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      <item>
         <title>Bài 5.2</title>
         <author>thaininhbg2016</author>
         <link>https://padlet.com/phuongntm200215/uscnhhq7tjc054ol/wish/1655536924</link>
         <description><![CDATA[<div>a) Do R1 và R2 mắc song song với nhau nên:<br>UAB = U1&nbsp;<br>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp;= I1.R1&nbsp;<br>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp;= 0,6.5 = 3V<br>b) Điện trở tương đương của đoạn mạch là:&nbsp;<br>RAB = R1.R2/R1+R2<br>&nbsp; &nbsp; &nbsp; &nbsp; = 5.10/5+10<br>&nbsp; &nbsp; &nbsp; &nbsp; =&nbsp; 10/3Ω<br>Cường độ dòng điện ở mạch chính là:&nbsp;<br>I = UAB/ RAB<br>&nbsp; = 3//3/10<br>  = 0,9A</div>]]></description>
         <enclosure url="" />
         <pubDate>2021-07-20 03:36:43 UTC</pubDate>
         <guid>https://padlet.com/phuongntm200215/uscnhhq7tjc054ol/wish/1655536924</guid>
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      <item>
         <title>Bài 5.3</title>
         <author>thaininhbg2016</author>
         <link>https://padlet.com/phuongntm200215/uscnhhq7tjc054ol/wish/1655952940</link>
         <description><![CDATA[]]></description>
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         <pubDate>2021-07-20 13:29:19 UTC</pubDate>
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         <title></title>
         <author></author>
         <link>https://padlet.com/phuongntm200215/uscnhhq7tjc054ol/wish/1656587814</link>
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         <pubDate>2021-07-21 02:02:49 UTC</pubDate>
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         <title></title>
         <author></author>
         <link>https://padlet.com/phuongntm200215/uscnhhq7tjc054ol/wish/1656589940</link>
         <description><![CDATA[<div>Con nộp bài 5 ạ</div>]]></description>
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         <pubDate>2021-07-21 02:03:54 UTC</pubDate>
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         <title></title>
         <author></author>
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         <pubDate>2021-07-21 02:07:29 UTC</pubDate>
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         <title></title>
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         <pubDate>2021-07-21 02:07:42 UTC</pubDate>
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