If the emf in the circuit shown is 9 V, what is the current in the 20 ? resistor? 20 ? 15 ? 30 ? 0.30 A 0.65 A 130 A 0.14 A 270 A
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Given resistors: 15 ohm, 30 ohm, 20 ohm 1/R_eq = 1/15 + 1/30 1/R_eq = 2/30 + 1/30 1/R_eq = 3/30 R_eq = 30/3 R_eq = 10 ohm Show more…
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