What is Kirchhoff’s Voltage Law
July 5, 2016
Starting at any node in a circuit, we form a loop by traversing through elements (open-circuits included!) and returning to...
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What is Kirchhoff’s Current Law
July 5, 2016
A connection of two or more elements is called a node. An example of a node is depicted in the...
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IEC labelling for Resistors Color Code
July 5, 2016
The IEC also defines how manufacturers should mark the values of resistors and capacitors in the standard called IEC 60062....
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Short Circuit and Open Circuit
July 4, 2016
The Short-Circuit Consider a resistor whose value is zero ohms. An equivalent representation of such a resistance, called a short-circuit,...
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Basics of Ohm’s Law
July 4, 2016
In 1827 the German physicist George Ohm published a pamphlet entitled “The Galvanic Circuit Investigated Mathematically”. It contained one of...
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Circuit Elements and Types of Circuits
July 4, 2016
A circuit element is an idealised mathematical model of a two-terminal electrical device that is completely characterised by its voltage-current...
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Transformer Open and Short Circuit Tests
July 3, 2016
We conduct open circuit and short circuit test on single phase transformer to determine the efficiency and regulation of a...
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Interview Questions on Battery Testing
July 3, 2016
Measuring the float voltage of cells is usually easy, but how useful are the results produced by this measurement? In...
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Electrical Machines Questions and Answers
July 3, 2016
Lap winding is suitable for high current and low voltage generators while wave winding is suitable for high voltage and...
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Induction Motor Interview Questions Answers
July 3, 2016
What are the advantages and disadvantages of Induction Motors? Advantages: It is simple and rugged in construction It is relatively...
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