Discussion
Which of the following statements is INCORRECT in case of a series circuit?
Answer: B
In a series circuit the same current flows through every part, the total resistance is the sum of the individual resistances, the voltage drops add up to the supply voltage, and the total power is the sum of the powers dissipated in the resistances. The statement that the total resistance is always less than the sum of the individual resistances is wrong, since it is equal to the sum, and it is in a parallel circuit that the total is less than any one of them. So the incorrect statement is option (B).
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