What are the prefixes of power?

What are the prefixes of power?

What are prefixes in units?

A unit prefix is a specifier or mnemonic that is prepended to units of measurement to indicate multiples or fractions of the units. Units of various sizes are commonly formed by the use of such prefixes. The prefixes of the metric system, such as kilo and milli, represent multiplication by powers of ten.

What is 10 to the power prefix?

Deca- (da) or deka is a unit prefix in the International System of Units (SI), denoting a factor of ten (10). The prefix name is derived from the Greek δέκα (deka), meaning ten.

Why do we use prefixes with units?

SI prefixes are used to form decimal multiples and submultiples of SI units. They should be used to avoid very large or very small numeric values. The prefix attaches directly to the name of a unit, and a prefix symbol attaches directly to the symbol for a unit.

What standard units are used for power?

Watt. The watt is the unit of power. Power is the amount of energy transferred or consumed per unit of time; equivalently, power is the rate of doing work. In standard-speak, the watt is the power which in one second gives rise to energy of 1 joule.

How many units of power are there?

Power is always represented in watt (W) or kilowatt (kW). A thousand (1000) watts make one kilowatt. So if any appliance is rated as 1.2 kW then it means that it consumes electricity at a rate of 1200 W.

What is 10 to the power of 12 prefix?