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Calculate the current across the 4 ohm resistor.
- a)0.86A
- b)1.23A
- c)2.22A
- d)0.67A
Correct answer is option 'A'. Can you explain this answer?
Verified Answer
Calculate the current across the 4 ohm resistor.a)0.86Ab)1.23Ac...
Thevenin resistance is found by opening the circuit between the specified terminal and shorting all voltage sources.
When the 10V source is shorted, we get:
Rth=(1||2)+3=3.67 ohm.
Vth is calculated by opening the specified terminal.
Using voltage divider, Vth= 2*10/(2+1)=6.67V.
On drawing the Thevenin equivalent circuit, we get Rth, 4 ohm and Vth in series.
Applying ohm’s law, I=Vth/(4+Rth)= 0.86A.
When the 10V source is shorted, we get:
Rth=(1||2)+3=3.67 ohm.
Vth is calculated by opening the specified terminal.
Using voltage divider, Vth= 2*10/(2+1)=6.67V.
On drawing the Thevenin equivalent circuit, we get Rth, 4 ohm and Vth in series.
Applying ohm’s law, I=Vth/(4+Rth)= 0.86A.
Most Upvoted Answer
Calculate the current across the 4 ohm resistor.a)0.86Ab)1.23Ac...
Firstly we will calculate the equivalent resistance for the whole circuit..Requivalent={1+(2)||(3+4)}=2.55 ohm(due to series and parallel combination). Now we will find equivalent circuit current I=V/Reqv=10/2.55=3.92A. Now by current division rule we can find the current in 4 ohm resistance...Then current through 4 ohm resistance..i=I×2(4+3+2)=(3.92×2)/9=0.86A
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Community Answer
Calculate the current across the 4 ohm resistor.a)0.86Ab)1.23Ac...
10=3i1-2i2
0=-2i1+9i2
i1= 3.91A,i2=0.86A, current flowing through 4 ohm is i2 ~> option (a)
0=-2i1+9i2
i1= 3.91A,i2=0.86A, current flowing through 4 ohm is i2 ~> option (a)
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Calculate the current across the 4 ohm resistor.a)0.86Ab)1.23Ac)2.22Ad)0.67ACorrect answer is option 'A'. Can you explain this answer? for Electrical Engineering (EE) 2025 is part of Electrical Engineering (EE) preparation. The Question and answers have been prepared according to the Electrical Engineering (EE) exam syllabus. Information about Calculate the current across the 4 ohm resistor.a)0.86Ab)1.23Ac)2.22Ad)0.67ACorrect answer is option 'A'. Can you explain this answer? covers all topics & solutions for Electrical Engineering (EE) 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Calculate the current across the 4 ohm resistor.a)0.86Ab)1.23Ac)2.22Ad)0.67ACorrect answer is option 'A'. Can you explain this answer?.
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