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with each resistor R-101 & each battery E-4.0 V 17. How many independent node equations are there? (a) (b) (c)2 (d) 3 18. How many independent loop equations are there? (a) 0 (b) 1 (c) 2 (d) 3 (e) 4 It turns out that a 0.3-A current flows upward through the left-most resistor. 19. What is the potential difference across this left-most resistor ? (a) 0.05 V (b) 0.10 V (c) 0.6 V (d) 1.0 V (e) 3 V 20. What power is used in this left-most resistor? (a) 0.02 W (b) 0.03 W (c) 0.06 W (d) 0.20 W (e) 0.9 w 21. What power is generated by the left-most battery? (a) 0.02 W (b) 0.04 W (c) 0.08 W (d) 0.10 W (e) 1.2 w 22. What is the magnitude of the potential difference across the adjacent resistor on the 1" diagonal wire ? (a) 0.4 V (b) 1.5 V (c) 2.0 V (d) 3 V (e) 5 V 23. What is the magnitude of the current through this resistor on the 1" diagonal wire ? (a) 0.02 A (b) 0.04 A (c) 0.07 A (d) 0.10 A (e) 0.15 A