Semiconductor fuses are used for short circuit protection of semiconductor devices like Silicon Control rectifiers (SCRs), Insulated Gate Bipolar Devices(IGBTs), diodes, triacs, thyristors, and similar … Read more
What is eddy current? When the conductor is placed in the varying magnetic field, the localized current starts flowing in the conductor, which is called … Read more
Definition of Resistance The property of the substance to resist the flow of electric current through it is known as resistance. The unit of resistance … Read more
The temperature coefficient of resistance is the parameter that shows the relationship between the variation of resistance with an increase in temperature. The resistance of … Read more
In atomic and nuclear physics, the electron Volt or eV is used as a unit of energy. Joule is also a unit of energy, but … Read more
What is an Electric Current? The electric current flows in the circuit if a potential difference exists. The potential difference is the pressure that causes … Read more
What is Insulation Resistance Test or IR Test? The Insulation Resistance Test measures the Insulation resistance of a device under test, while phase and neutral … Read more
What is NGR? NGR-Neutral Grounding Resistance. NGR limits the ground fault current to the equipment’s safe operating current range to protect all the electrical equipment. … Read more
The polarization index test is a 10-minute to 1-minute ratio test of insulation resistance. Similarly, the DAR test is a 60-second to 30-second insulation resistance … Read more
This article describes how the power consumption of a ceiling fan changes with a change in the speed through a fan regulator. The conventional fan … Read more
