FET and vacuum-tube voltmeters
It was mentioned that a good voltmeter will disturb the circuit under test as little as possible,and this requires that … Read more
EEE Made Easy
Multimeter- Principle and operation
In the electronics lab, a common piece of test equipment is the multimeter, in which different kinds of meters are … Read more
Ohmmeter- basic principle and working
You know that the current through a circuit depends on the resistance. This principle can be used to manufacture a … Read more
Voltmeter- Principle and operation
Current is a flow of charge carriers. Voltage, or electromotive force (EMF), or potential difference, is the โpressureโthat makes a … Read more
Ammeters|Current Measurement
Limitation of Galvnometer in Current Measurement Getting back to electromagnetic deflection, and the workings of the galvanometer, its evident that … Read more
Electrostatic deflection|Electroscope
Force due to Electric field|Electrostatic deflection ย Electric fields produce forces, just as do magnetic fields. ย You have probably … Read more
Electrical Measurements|Measuring devices for Electrical quantities
Electrical Measurements ย Many measuring devices work because electric and magnetic fields produce forcesย proportional to the intensity of the field. … Read more
Convolution in digital signal processing
ย ย ย ย ย ย ย ย Convolution is a formal mathematical operation, just as multiplication, addition, and integration. … Read more
How to open a circuit breaker
open a circuit breaker: Once inside your box you should turn off the breaker being changed,There will be a black … Read more
Types of circuit breaker| Circuit Breaker Types
Circuit Breaker types: According to different criteria, there are different types of circuit breakers. What is a Circuit Breaker? A … Read more
Difference between Fuse and Circuit breaker|Fuse vs Circuit Breaker
Electrical Fuse Circuit Breaker Fuse vs Circuit Breaker
Physical significance of power factor
What is power factor? Power factor = cosine of the angle between voltage and current= cosฮธ . This is the … Read more
Electrical power cable
Electrical power cable: Power cables are mainly used for power transmission & distribution purposes. It is an assembly of one … Read more
Difference between earthing and grounding|
Difference between earthing and grounding: Grounding is the commonly word used for earthing in the North American standards like IEEE, … Read more
How to make earth pit and do earthing in home
How to make earth pit 1. Excavation on earth for a normal earth Pit size is 1.5M X 1.5M X … Read more