P4.9 For the circuit shown in Figure 4.14, R,= 10, R₂= 5 Q, R₁ = 80, R5, R100 and the voltage across the network is 24 V. With the switch open, determine the a) equivalent resistance of the network, b) direction and magnitude of the current everywhere through the circuit and c) voltage at point "a" with respect to point "b". R₁ ww R3 ww R, & www R R, 21 ww www +1 R₁ R ww ww www b R₁ R Figure 4.13 Problem 4.8 Figure 4.14 Problem 4.9 P4.10 For the circuit shown in Figure 4.14, use the same values as in Problem 4.9. With the switch closed, what is the a) current through the switch and b) equivalent resistance of the network.

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nswer A square coil with 475 turns of wire has a length of each side of 7.52 cm. A current of 0.546 amp flows through the coil. The coil is placed in a magnetic field of 0.585 T with the plane of the coil at an angle of 34.3 degrees to the direction of the field. What is the forque in Newton-meters on the coil by the magnetic field? (Enter your answer with 3 digits right of decimal, and do not enter unit.) A Moving to another question will save this response. KQuestion 7 of