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Three resistors, 50 Ohm, 100 Ohm, 200 Ohm, are connected in series in a circuit. What is the equivalent resistance of this combination of resistors?

a. 350 Ohm b. 250 Ohm c. 200 Ohm d. 120 Ohm e. 29 Ohm
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R series=R1+R2+R3=50+100+200=350

Series circuits

A series circuit is a circuit in which resistors are arranged in a chain, so the current has only one path to take. The current is the same through each resistor. The total resistance of the circuit is found by simply adding up the resistance values of the individual resistors:

equivalent resistance of resistors in series : R = R1 + R2 + R3 + ...

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