Difference between fuse and MCB

Circuit protection devices such as fuses and MCBs are used to safeguard any equipment from damages caused due to short circuits. The usage of these devices does not mitigate the…

Difference between utilization categories AC-1 and AC-3

The utilization categories AC-1 and AC-3 defines making, breaking and continuous operation current rating for contactors. Based on these rating, contactor for switching of resistive loads and switching of squirrel…

Utilization categories for low voltage switchgear

It is necessary to select the correct rating of switchgear for any application. Therefore, during selection, it is necessary to know the characteristics of the load. The International electrotechnical commission…

Power consumption & energy usage of air conditioners

Air conditioners are one of the major power-consuming loads at home. This calculator can help you calculate electricity usage of your air conditioner and the usage cost. How to use…

Steps to convert Thevenin’s circuit to Nortons

Thevenin's and Norton's theorems are circuit simplification methods, applied to simplify complex linear circuits and making circuit analysis easy and fast. These theorems are proposed by Léon Charles Thévenin and…

How to save on electricity bills?

A few small behavioral changes and other adjustments can help us save electricity as well as electricity bills. By saving electricity we are not only saving money but also saving…

Maximum Power transfer theorem

In an electric circuit, power flows from the source to the load. The source itself has some amount of impedance which affects the current flow. Therefore, transfer of power depends…

Calculate the power consumption of AC & Electricity usage

It's hot inside let's turn on the AC!! The air conditioner is one of the high-power-consuming appliances at home. During sunny days you might have noticed a drastic increase in…

Superposition theorem

Superposition theorem can be used to find the current or voltage in any circuit containing more than one independent sources. By using this method, we calculate the contribution of each…

Current Division rule

As we know, in a parallel circuit current divides into all branches. The current flow through each branch is inversely proportional to the resistance offered by each one them. The…