结果1 题目The unit of power is ___. A. joule B. newton C. watt D. ampere 相关知识点: 试题来源: 解析 C。功率(power)的单位是瓦特(watt)。joule(焦耳)是能量的单位;newton(牛顿)是力的单位;ampere(安培)是电流的单位。反馈 收藏
Joule is the unit of energy used by the International Standard of Units (SI). It is defined as the amount of work done on a body by a one Newton force that moves the body over a distance of one meter. Wait a minute … is it a unit of energy or a unit of work? Actually, it ...
A. Joule B. Newton C. Watt D. Pascal 相关知识点: 试题来源: 解析 B。本题考查力的单位的英语表述。选项 A“Joule”(焦耳),焦耳是能量的单位,不是力的单位,A 选项错误。选项 B“Newton”(牛顿),牛顿是力的单位,B 选项正确。选项 C“Watt”(瓦特),瓦特是功率的单位,C 选项错误。选项 D“Pascal”...
2 definitions of the word joules. Noun A unit of electrical energy equal to the work done when a current of one ampere passes through a resistance of one ohm for one second English physicist who established the mechanical theory of heat and discovered the first law of thermodynamics (1818-...
Define what a joule is. What are capacitors used for? What is a transducer bracket? What is a torque transducer? What is the electrical analog of the spring constant? What is the unit of density in the CGS system? What is the unit of force in CGS system?
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。
A machine puts out 100 watts of power for every 1,000 watts put into it. What is the efficiency of the machine? Which of the following is not a unit of energy? A) joule B) kw-hr C) btu D) kw A heat pump requires 350 W of electrical power to ...
The unit of force is ___. A. newton B. joule C. watt D. ampere 相关知识点: 试题来源: 解析 A。力的单位是牛顿,选项 A 正确。选项 B“joule”是焦耳,是能量单位;选项 C“watt”是瓦特,是功率单位;选项 D“ampere”是安培,是电流单位。反馈...
Joule is a standard unit of measurement for work or energy used in electricity, mechanics, thermal energy and general scientific applications. The unit is named in recognition of British physicist James P. Joule. Like all SI units, the letter of its symbol is written in upper case, yet is ...
What is a joule? What does m stand for in measurement? What is the lacrimal system? What is a closed system? What is a British thermal unit? What is the SI base unit for temperature? What is the unit of measurement for a pan balance scale?