Welcome to the world of Engineers
What is Alternating Current What is Alternating Current? Alternating current (AC) is an electric current which periodically reverses direction and changes its magnitude continuously with time in contrast to direct current (DC) which flows only …
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Electrical Impedance What is Electrical Impedance? Electrical impedance (also known as “impedance” in short) is an addition of the definition of resistance to an alternating current(AC). This means that impedance …
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What is resistor? What is resistor ? A resistor is a passive element in a circuit that provides resistance to the flow of current. Resistance is a measure of the …
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What is an Atom? What is an Atom? Atom, smallest unit into which matter can be divided without the release of electrically charged particles. It also is the smallest unit …
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Rutherford Atomic Model Rutherford Atomic Model The plum pudding model is given by J. J. Thomson failed to explain certain experimental results associated with the atomic structure of elements. Ernest …
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Bohrs Atomic Model Bohrs Atomic Model : It is introduced by Danish Physicist Niels Bohr in the year of 1913. According to this model the atom consists of small nucleus …
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What Are Energy Levels? Energy levels (also called electron shells) are fixed distances from the nucleus of an atom where electrons may be found. Electrons are tiny, negatively charged particles in an atom that move around the …
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Breakdown Voltage and Dielectric Strength Breakdown Voltage and Dielectric Strength An insulator or dielectric is a substance within which there are no mobile electrons necessary for electric conduction. However, when …
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Potential and Potential Difference Potential and Potential Difference : The force acting on a charge at infinity is zero, hence ‘infinity’ is chosen as the theoretical place of zero electric …
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Electric Potential and Energy What is Electric Potential Energy? The electric potential energy of any given charge or system of changes is termed as the total work done by an …
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