I R 1 = Your response differs from the correct answerby 10% to 100%. mA I R 2 =
ID: 1763285 • Letter: I
Question
IR1 =Your response differs from the correct answerby 10% to 100%. mA IR2 =
Your response is within 10% of the correctvalue. This may be due to roundoff error, or you could have amistake in your calculation. Carry out all intermediate results toat least four-digit accuracy to minimize roundofferror. mA IR3 =
Your response is within 10% of the correctvalue. This may be due to roundoff error, or you could have amistake in your calculation. Carry out all intermediate results toat least four-digit accuracy to minimize roundofferror. mA
Explanation / Answer
(a)
from the given circuit let us assume that the currentin both of the loops is in clockwise direction
the current in the left loop is i1 and inthe right loop is i2
then using the kirchoffs mesh analysis we get
70.4 – 61.9 - (3.0 x 103)(i1 - i2) - (2.0 x 103)i1 = 0 and
61.9 - (4.0 x 103) (i2) –80.0 - (i2 - i1) (3.0 x 103) =0
solve the above two equations for i1 andi2
the current in the 2 k resistor willbe
I2 k = i1
= ......... amps
I4 k =i2
= ......... amps
I3 k = i1-i2
= ......... amps
(b)
the required potential difference willbe
V = (61.9 V) + [(I3 k)(R2)]
= ......... V
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