Q1. (A) Three resistors of resistances R1, R2 and R3 are connected i) in series, and (ii) in parallel. Write expressions for the equivalent resistance of the combination in each case. (B) Two identical resistors of 12 ohm each are connected to a battery of 3 V. Calculate the ratio of the power consumed by the resulting combinations with minimum resistance and maximum resistance. (CBSE 2019]
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(A) Three resistors of resistances R1, R2 and R3 are connected i) in series, and (ii) in parallel. Write expressions for the equivalent resistance of the combination in each case. (B) Two identical resistors of 12 ohm each are connected to a battery of 3 V. Calculate the ratio of the power consumed by the resulting combinations with minimum resistance and maximum resistance. (CBSE 2019]
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