Power is the rate at which work is done. What is the unit of power? A. joule B. watt C. newton D. kilogram 相关知识点: 试题来源: 解析 B。A 选项 joule 是焦耳,是能量的单位;C 选项 newton 是牛顿,是力的单位;D 选项 kilogram 是千克,是质量的单位;B 选项 watt 是瓦特,是功率的单位。
What is the unit of Power of a lens? AJoule BNewton CDioptre DWattSubmit The commercial unit of electric energy is Akilowatt hour hour B kilowatthour Ckilowatt/hour Dkilowatt (hour)2Submit What is the commercial unit of electric energy? Obtain the relation between this unit and the SI ...
View Solution Distance travelled in nth second has the units of View Solution Joule is a unit of View Solution Exams IIT JEE NEET UP Board Bihar Board CBSE Free Textbook Solutions KC Sinha Solutions for Maths Cengage Solutions for Maths
Noun1.SI unit- a complete metric system of units of measurement for scientists; fundamental quantities are length (meter) and mass (kilogram) and time (second) and electric current (ampere) and temperature (kelvin) and amount of matter (mole) and luminous intensity (candela); "Today the Unit...
Watt is the unit ofpower(symbol: W). The watt unit is named after James Watt, the inventor of the steam engine. One watt is defined as the energy consumption rate of one joule per second. 1W = 1J / 1s One watt is also defined as the current flow of one ampere with voltage of on...
watt, W - a unit of power equal to 1 joule per second; the power dissipated by a current of 1 ampere flowing across a resistance of 1 ohm kilowatt, kW - a unit of power equal to 1000 watts megawatt - a unit of power equal to one million watts H.P., horsepower, HP - a unit ...
What are the units of power? What is a pendulum wave? What is the unit of density in the CGS system? What is the metric unit for time? What is marginal relative frequency? What is a joule? What is unit weight? What does m stand for in measurement?
Is a kWh a unit of power or a unit of work? Which of the following is not a unit of energy? A) joule B) kw-hr C) btu D) kw Convert joules to kilowatt hours A joule is equal to one what times one meter? What SI unit is used to measure mechanical energy?
Convert any measure unit of surface, flow rate, density, energy, force, length, mass, torque, power, pressure, temperature, speed, angular velocity, cinematic viscosity, dinamci viscosity: kw, cv, N, lbf, nmi, erg, btu, Pa, mmhg, mmh20, mca...
The SI unit of energy is Joule which is named after James Prescott Joule and the unit is same as the unit of power. The CGS unit of energy is erg. Visit BYJU'S to learn more.