Three resistors of resistances 11 Ω, 22 Ω and 33 Ω are connected in parallel. Their equivalent resistance is equal to

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Q: 6 (CDS-I/2023)
Three resistors of resistances 11 Ω, 22 Ω and 33 Ω are connected in parallel. Their equivalent resistance is equal to

question_subject: 

Science

question_exam: 

CDS-I

For parallel resistors, the reciprocal of total resistance, 1/R = 1/R1 + 1/R2 + 1/R3. Substituting the given values, 1/R = 1/11 + 1/22 + 1/33 = 6/66. Therefore, R = 66/6 = 11 Ω.