An electric heater draws a current of 20 a when connected to a 120-v power source its resistance is

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18) Based on the figure below (Fig: 9) answer the questions from 19-21_ Resistances Ri-4D,R2-12I,Rj-4n,R4-129, emf of the battery, €-24V Fig. 9 (19) Total resistance in the circuit (Fig 9) A) 6 Q B) 8 Q C) 12 Q DJ32 Q 20) What is the total current in the circuit? (Fig 9 A) 4A B) 6A C) 8A D) none of these choices 21) What is the current passing through the resistor R1 of the electrical circuit (Fig 9)2 A) 34 B) 4A C) 6A D) 8A

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