2 ohms ohms Sohms ohrms ohms 2 ohms (A) The batteries in each of the circuits shown above are identical and the wires have negligible resistance. (B) (C) (D) In which circuit is the equivalent resistance connected to the battery the greatest? O a Picture A O b Picture B Picture C Picture D

Q: R4 = 2 N R = 4 2. V2 = 5 V V1 = 12 V 15 R3 = 2N R, = 3 N 12

A: I4=V2/R4=5/2=2.5 A   I4=I5+I3 I3=I4-I5=2.5-I5   I3=I2-I1   I1=I2-I3

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Ohm's law

Ohm’s law is a prominent concept in physics and electronics. It gives the relation between the current and the voltage. It is used to analyze and construct electrical circuits. Ohm's law states that the voltage across a conductor is directly proportional to the current flowing through it.

Path of Least Resistance

In a series of alternate pathways, the direction of least resistance is the actual or metaphorical route that offers the least resistance to forwarding motion by a given individual or body.