10.8 cm, v = 4.86 m/s, and B = the resistance of the rails is neglibly small and the resistance of the rod is R = 415 mN, what is the magnitude of the current 3. Assume that L 1.18 T. If in the circuit? в А. О.50 A В. 1.0 А С. 1.5 А D. 2.0 A 3.
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.
Given that the length of the rod is l = 10.8 cm = 0.108 m.
The velocity is in – x direction v= 4.86 m/sec.
The magnetic field is in +z direction B =1.18 T.
So the emf of the moving rod is given as,
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