A positive connection is one in which a change (increase or decrease) in some variable results in the same type of change (increase or decrease)in a second variable. The positive connection in the figure below for a cooling coffee cup implies that the hotter the coffee is the faster it cools.
The power consumption of small devices is usually measured in Watts, and the power consumption of larger devices is measured in kilowatts (kW), or 1,000 Watts. Electricity generation capacity is often measured in multiples of kilowatts, such as megawatts (MW) and gigawatts (GW).
An electric meter is a device which is used to measure the consumption of electrical power supplied to a consumers. An electric meter is also known as an energy meter.The electric power, commonly known as electricity is a clean and convenient way of delivering energy to a residence, business or a machine.n electric meter is also known as an energy meter. The electric power, commonly known as electricity is a clean and convenient way of delivering energy to a residence, business or a machine.