Circuit Problem 9821

For the circuit given below find equivalent resistance:

Correct answer: 2. 10 ohms


Firstly name label one terminal of each resistor and head and tail, and by carefully observing one can understand the circuit is a simple parallel resistor circuit. See below.


from parallel resistors formula:

Req = 1/((1/R1) + (1/R2) + (1/R3))

Req = 10 ohms

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