Electric Charge Concept MAP

charge concept map

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Rolling Motion made Easy

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Q. Many of us we think that Rolling Motion is tough? The answer to the above question is "BIG NO" things are only tough till you understand them completely. So, I am here to guide you on the above topic. Leave comments on any Doubts faced by you recently. When we talk about pure Rotational Motion we imagine a fixed axis about which the all the particles of the Rigid Body are moving in a Circular Motion. Hence if the body moves with angular Velocity ' omega ' (w) than every particle on the periphery will have linear velocity as v =wr ( where r is the radius of the particle from its axis ). In the above Diagram we see 3 figures: 1st figure shows when the body is in pure translational motion only, every particle of the rigid body will have same velocity ( same Direction ) as visible. 2nd figure shows when the body is in pure rotational motion as discussed above particle will have same speed but different velocity about fixed axis O. 3rd figure sh...
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Circuit Diagrams and Ohm's law

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  Circuit Diagrams We already know that electric circuit is a continuous path consisting of cell (or a battery), a plug key, electrical component(s), and connecting wires. Electric circuits can be represented conveniently through a circuit diagram . A diagram which indicates how different components in a circuit have to be connected by using symbols for different electric components is called a circuit diagram. Table given below shows symbols used to represent some of the most commonly used electrical components Ohm's Law Ohm's law is the relation between the potential difference applied to the ends of the conductor and current flowing through the conductor. This law was expressed by George Simon Ohm in 1826. Statement of Ohm's Law If the physical state of the conductor (Temperature and mechanical strain etc.) remains unchanged, then current flowing through a conductor is always directly proportional to the potential difference across the two ends o...
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Directions of Vector

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While we Study vector we have certain privileges (Humara Haq) We call it " Aazadi Ka Neeyam " We can never change the direction unless we are told in the question to do so. We can displace the vector in any direction keeping its angle fixed (i.e again direction) Above two will be more clear with some illustrations. Vectors can be directed due East, due West, due South, and due North. But some vectors are directed northeast (at a 45 degree angle); and some vectors are even directed northeast, yet more north than east. Thus, there is a clear need for some form of a convention for identifying the direction of a vector that is not due East, due West, due South, or due North. There are a variety of conventions for describing the direction of any vector. The two conventions that will be discussed and used in this unit are described below: The direction of a vector is often expressed as an angle of rotation of the vector about its "tail" from east, west...
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