# Know the meaning of Power and Resistivity

Power can be defined as the work done in a given time. In mechanical terms, power is indicated in Horse power and in Electrical terms, it is indicated  in Watts. The term Horse Power was introduced to denote the power, since the most common source of power in ancient times is the Horse. Let us see the power in a Motor and how Resistivity affects conductance.

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# Know the meaning of Symbols

In Electronics, standard symbols are used to represent Volt, Current, Resistance, Power etc. These standard symbols are seen in electronics theory as well as in circuit diagrams. See the purpose of its use and the variations in representations.

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# Electronic Energy Meter

An Electronic Energy Meter (EEM) functionally outperforms the traditional Ferrari’s wheel meter. One important advantage of EEM is that in non linear loads, its metering is highly accurate and electronic measurement is more robust than that of the conventional mechanical meters. The Power companies benefits from EEM in three significant ways.

# Home Inverter

Home inverter is to provide uninterrupted power to run household electric devices. These are available in different voltage and load capacities. In the basic design of the inverter a DC (battery) source is connected to a transformer through the center tap of the primary winding. A switch is rapidly switched back and forth to allow current to flow back to the battery following two alternate paths through one end of the primary winding and then the other. The alternation of the direction of current in the primary winding of the transformer produces alternating current (AC) in the secondary circuit. This will be 230 /110 Volt AC and can operate all the electric devices.

# Electronic Energy Meter

An Electronic Energy Meter (EEM) functionally outperforms the traditional Ferrari’s wheel meter. One important advantage of EEM is that in non linear loads, its metering is highly accurate and electronic measurement is more robust than that of the conventional mechanical meters. The Power companies benefits from EEM in three significant ways

# PowerRegulation

To get precise voltage to a circuit, the simplest and easy way is to use a Zener diode. Zener based voltage regulators use the reverse breakdown voltage characteristics of the zener to maintain a fixed voltage to the load