Question

Find the current i Constants Express your answer to two significant figures and include the appropriate units. Use the mesh-current method to find the branch currents ii, i, and in in the circuit in figure (Figure 1) if th-24 V and t-78 V Value Units Submit Part B Find the current i Express your answer to two significant figures and include the appropriate units. Value Units Figure 1 of 1 Submit Part Find the current is 10 MA Express your answer to two significant figures and include the appropriate units. 500 Ω iValue Units Submit

Answer 1

$は=ー0.136$

Apply mesh analysis in mesh ....(1) 24 - 5k ix - 500 [i_x - i_1) = 0 5500 i_x - 500 [i_x - i_y) = 0 5500 i_x - 500 i_y = 24 .......(1) in mesh (2) it is super mesh: 500 i_y - 1000 i_a - 4000 [i_y - i_z) = 0 3500 i_y + 1000 i_a - 4000 i_z) = 0 implies i_a = i_y - 10 mA 3500 i_y + 1000 [i_y - 10 mA) -= 4000 i_z = 0 4500 i_y - 4000 i_z = 10 ......(4) \r\n in loop - (3): - 78 - 4000 [i_z - i_y] = 0 4000 i_y - 4000 i_z = 78 ....(5) i_x = -8 mA i_y = -0.136 A i_z = -0.155 (A) i_1 = i_x = -8 mA i_2 = i_x - i_y = -8 mA + 0.136 i_2 = i_x -= i_y = -78 mA + 0.136 i_2 = 0.128 A i_z = i_z = -0.155 A.