1) If R1 is 10 Ohms, R2 is 20 Ohms and R3 is 5 Ohms, what is Rt? a) 6.48 Ohms b) 1.26 Ohms c) 2.86 Ohms d) 13.45 Ohms 2) If Rt is 5 Ohms, R1 is 10 Ohms and R2 is 20 Ohms, what is R3? a) 3 Ohms b) 15 Ohms c) 12 Ohms d) 20 Ohms 3) If Rt is 30 Ohms and the current is 5 Amps, what is the supply voltage? a) 6 V b) 125 V c) 35 V d) 150 V 4) If R1 is 10 Ohms, R2 is 10 Ohms, R3 is 10 Ohms and the supply voltage is 400 V, what is the supply current? a) 120 A b) 1200 A c) 40 A d) 400 A 5) Which of the following statements is true? In parallel... a) Voltage changes but Current remains the same b) Voltage and Current change c) Voltage and Current remain the same d) Current changes but Voltage stays the same 6) If I1 is 5A, I2 is 3.3333A and I3 is 1.6666A, R1 is 4 Ohms, R2 is 6 Ohms and R3 is 12 Ohms, what is the supply voltage? a) 230 V b) 62 V c) 176 V d) 20 V

Resistors in Parallel

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