Part A What is the potential difference between points a and d in the figure.(Fi

Question

Part A

What is the potential difference between points a and d in the figure.(Figure 1)  

B) What is the terminal voltage of top battery?

Part C

What is the terminal voltage of bottom battery?

Q#4 Part A What is the potential difference between points a and d in the figure. (Figure 1) Express your answer to two significant figures and include the appropriate units u-v.=| Value | Units | Submit My Answers Give Up Part B What is the terminal voltage of top batte ry? Express your answer to two significant figures and include the appropriate units Figure 1 Submit My Answers Give Up 34 Part C What is the terminal voltage of bottom battery? Express your answer to two significant figures and include the appropriate units 47 1 45 V 18 75 V 12 VVaue Units Submit My Answers Give Up

Explanation / Answer

Applying KVL in upper loop:

45 - i3 - 47i3 - 34i1 = 0

34i1 + 48i3 = 45 ..... (i)

KVL in lower loop,

75 - i2 - 18i2 + 45 - i3 - 47i3 = 0

19i2 + 48i3 = 120 ... (ii)

KCL : i1 + i2 - i3 = 0 .... (iii)

Solving all three equations,

i1 = - 549/638 A = - 0.86 A

i2 = 768/319 A = 2.41 A

i3 = 987 / 638 A = 1.55 A

(A) 45 - 48i3 = - 29.4 volt

Ans: 29.4 Volt

(B) V = 45 - i3 = 43.45 Volt

(C) V = 75 - I2 = 72.59 Volt

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