Measuring Instruments

Electrical and Electronics Engineering Tools, Instruments, Devices, Components & Measurements

A Voltmeter, Ammeter & Cell are Connected in Series. Ammeter shows No Deflection. Why?

A Voltmeter, Ampere Meter and a Battery Cell are connected in Series. It is Observed that Ammeter Practically Shows No Deflection. Why? Due to the large resistance of the voltmeter,…
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Basic Electrical and Electronic Symbols of EE Components & Elements

Important and Basic Electronic and Electrical Engineering Symbols Resistor Resistor is a passive electrical component that introduces resistance (opposes the flow of current in it) in a circuit to reduce…
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Resistor Symbols – Variable, Adjustable & Special Resistors Symbols

Resistor Symbols – Variable & Adjustable Resistors Symbols – Special Resistor Symbols Resistor Symbols Resistor (NEMA & IEC Systems) It is the symbol of a fixed resistor. Both of these…
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Capacitor Symbols

Capacitor and Condenser Symbols Generic Capacitor Capacitor is an electronic component that stores energy in its electric field. It is the symbol of a generic capacitor. It is a non-polar…
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Inductor Symbols -Solenoid, Chock and Coils Symbols

Inductor Symbols – Coils and Choke Symbols Generic Fixed Inductor This is the symbols used for representing a generic Inductor whose inductance value is fixed. An inductor is also known by…
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Digital Flip-Flop and Latches Symbols

Electronic Flip Flop and Latches Symbols Flip Flop & Latches are sequential circuits & they are the building block of memory units. It stores a single bit of data. Sequential…
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Difference between Analog and Digital Multimeter

Main Differences between Digital and Analog Multimeter Both Digital Multimeter and Analog Multimeter (also know as multi-tester) are used to test and measure different electrical quantities such as Current in…
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Difference between Circuit Breaker and Isolator / Disconnector

Main Differences between Isolator / Disconnector and Circuit Breaker Isolator and Disconnetor As the name suggests, An Isolator or Disconnector is an isolating or disconnecting switch which disconnects or isolate…
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Difference Between Relay and Circuit Breaker

Main Differences between Circuit Breaker and Relay A Relay is a switch used as sensing and controlling device which makes and closes the contacts electronically or electromechanically. Relay is also…
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Car Speed Detector Circuit – Working and Source Code

Car Over-Speed Detection Circuit using Arduino You might have heard the slogans like “Over Speeding kills”, “Drive slowly”, etc. on the roads. Over speeding is a threat to the lives…
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