Question

1. In the following circuit, calculate the equivalent resistance Req that can be used to replace the original fours resistances (R1, R2 , R3 , R4 )? ( be careful to the intermediate steps ) 2. Calculate the total current ( IT) taken from the 12 v supply? 3. Using Ohm’s law, calculate the two branch currents, I1 and I2 as shown?

          1. In the following circuit, calculate the equivalent resistance Req that can be used to replace the original fours resistances (R1, R2 , R3 , R4 )? ( be careful to the intermediate steps )
2. Calculate the total current ( IT) taken from the 12 v supply?
3. Using Ohm’s law, calculate the two branch currents, I1 and I2 as shown?
        
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1. In the following circuit, calculate the equivalent resistance Req that can be used to replace the original fours resistances (R1, R2 , R3 , R4 )? ( be careful to the intermediate steps )
2. Calculate the total current ( IT) taken from the 12 v supply?
3. Using Ohm’s law, calculate the two branch currents, I1 and I2 as shown?

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University Physics with Modern Physics
University Physics with Modern Physics
Hugh D. Young 14th Edition
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Transcript

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00:01 Hello, here first we have to determine the equivalent resistance.
00:04 Let's do this.
00:07 So that is r1 plus the resistance of 2, 3 and 4.
00:16 Let's find r2, 3.
00:19 That is the sum of 8 ohms and 4 ohms which is 12 ohms.
00:25 Now let's find r234.
00:30 That is r23 times r4 over r23 plus r4.
00:36 That is 6 ohms.
00:46 And now let's determine the equivalent resistance.
00:49 That is 12 ohms.
00:54 Let's move on to question 2.
00:57 Here we have to calculate the total current...
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