E R Switch FIGURE 2.7.7. The circuit for Problems I through 6. 1. In the circuit of Fig. 2.7.7, suppose that L = 5 H, R = 25 2, and the source E of emf is a battery supplying 100 V to the circuit. Suppose also that the switch has been in po- sition 1 for a long time, so that a steady current of 4 A is flowing in the circuit. At time r = 0, the switch is thrown to position 2, so that I (0) = 4 and E = 0 for 1 20. Find 1(1).

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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.