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12. A 470 Ω resistor, a 220 Ω resistor, and a 100 Ω resistor are all in parallel. The total resistance is approximately ________.
(a) 790 Ω
(b) 470 Ω
(c) 60 Ω
(d) 30 Ω
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5555555555 7. The following resistors are in parallel across a voltage source: 220 Ω, 470 Ω, and 560 Ω. The resistor with the least current is ________. (a) 220 Ω (b) 470 Ω (c) 560 Ω (d) impossible to determine without knowing the voltage- Resistors and Resistance » Exercise - 14. If a 10 V battery is connected across the parallel resistors of 3 Ω, 5 Ω, 10 Ω and 20 Ω, how much voltage is there across 5 Ω resistor ? (a) 10 V (b) 3 V (c) 5 V (d) 20 V
- 5555555555 17. Five 100 Ω resistors are connected in parallel. If one resistor is removed, the total resistance is ________. (a) 25 Ω (b) 500 Ω (c) 100 Ω (d) 20 Ω
- 5555555555 7. The parallel combination of a 470 Ω resistor and a 680 Ω resistor is in series with the parallel combination of four 2 kΩ resistors. The total resistance is ________. (a) 1,650 Ω (b) 1,078 Ω (c) 77.8 Ω (d) 778 Ω
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