5. Consider the circuit shown below. R1=30?, R2=5?, R3=25?,...

5. Consider the circuit shown below. R1=30?, R2=5?, R3=25?, I1=50mA. (a) What is the terminal voltage of the battery? (b) What is the potential drop across resistor R2? (10 points) V = ? R1 = 30.00 ? I1 = 50.00 mA R2 = 5.00 ? V2 = ? R3 = 25.00 ?

Transcript

00:01 Hi guys now in this problem we are given to us a circuit now in this circuit we have a r1 is a 30 om this r2 is 5m this r3 is what 25 om now the current in r1 is what 50m ampere so we need to find out the voltage of the circuits and potential difference across r2 now see these are two capacit this resistance will be also connected in a series form so total resistance from i'm trying to write a this is the circuit that we have and this is what this is this is 30 and this is is also 30 which means what the current in this branch and current in this branch will be same so that potential difference is same i mean as you already know since these two registers connected in parallel form so the potential difference will be same on the circuits on the resistance so the potential difference here and partition difference will be here will be same so in order to say that the current in this that current in this branch and current in this one will be same so this is also 50m.

01:14 First in order to find out this total v of the circuit we need to find out our equivalent of the circuit so our equivalent is what this is 30 and this is also 30 so 30 times 30 divide by 30 plus 30 which is got 60 this gets cancelled at 2 times this is what 15 times so are equivalent of the circuit is what 15 form and what is total current in the circuit see the total current is coming in this direction is what one sorry hundred millie ampere and hundred and a million is what distributed in what two branches 50 million amp and 50 million amp okay that means i can say that the v of the circuit will be what i and are equivalent now this is hundred times this is r equivalent 15 millie ampere which is what 10 to the power minus 3 which is what which can be written as but 1 .5 this is what a volt okay 1 .5 volt now this is a v which is what 1 .5 volt now we need to find potential difference so in order to find it to potential difference v2 is what this is 50m .mper times r2 which is about 5 oom...

Question

5. Consider the circuit shown below. R1=30?, R2=5?, R3=25?, I1=50mA. (a) What is the terminal voltage of the battery? (b) What is the potential drop across resistor R2? (10 points) V = ? R1 = 30.00 ? I1 = 50.00 mA R2 = 5.00 ? V2 = ? R3 = 25.00 ?

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