When two or more resistors are connected in parallel to abattery, a.the voltage

Question

When two or more resistors are connected in parallel to abattery, a.the voltage across eaxh resistor is the same b. the current leaving the battery equals the sum of thecurrents in each resistor. c. the equivalent resistance of the combination is less thanthe resistance of any one of the resistors. d. all of the above When two or more resistors are connected in parallel to abattery, a.the voltage across eaxh resistor is the same b. the current leaving the battery equals the sum of thecurrents in each resistor. c. the equivalent resistance of the combination is less thanthe resistance of any one of the resistors. d. all of the above

Explanation / Answer

Hey,        The correct answer is d, allof the above. Let me explain, it is one of the special propertiesof resistors in parallel to have the same voltage, whichallows you to calculate the current through each of them, I=V/R,and at the same time, by adding them, you get the total current.For the option c, you know that for resistors in parallel,1/Req=(1/R1)+(1/R2)...(1/Rn),which means that it doesn't matter what the values of R1, R2, andso on, are, it will always be "less than the resistance of any oneof the resistors." Hope this helps.

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