POTENTIAL DIFFERENCE#!#CURRENT#!#ELECTRIC CIRCUIT

Introduction to AC Circuits and Power OF AC Circuit RMS Current and Potential

Electric Current||Electric Circuit

Electricity|Potential & Potential Difference|Electric Circuit|OHM's Law|Resistance|Electric Energy|Numericals|Summary

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A current I flows through a potential difference V in an electrical circuit containing a resistance R. The product of V and I, i.e., VI may be understood as

Electric Current || Potential Diffence Circut

Assertion: An inductance and a resistance are connected in series with an AC circuit. In this circuit the current and the potential difference across the resistance lag behind potential difference across the inductance by an angle pi//2 . Reason: In LR circuit voltage leads the current by phase angle which depends on the value of inductance and resistance both.

The electric current I in the circuit shown is

In an electric circuit, potential difference across a lamp is 20 V and current through the lamp is 0.5A. The resistance of the lamp is

A current of 3A flows in a circuit shown in the figure. The potential difference between A and b is