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.
In the circuit shown in the figure, R1 = R6 = 2 Ω, R2 = R3 = R4 = R5 = 8 Ω and the current through the resistror R3 is
I3 = 0.4 A .Calculate:
a) the voltage V3 across the resistor R3;
b) the current I2 through the resistor R2;
c) the current I delivered by the battery;
d) the voltage E of the battery;
e) the power dissipated as heat in the circuit.
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