What is the formula for electric power? A. P = IV B. P = VI C. P = VR D. P = IR 相关知识点: 试题来源: 解析 B。解析:文章中明确提到“The formula for electric power is P = VI, where P is power, V is voltage, and I is current.”。
To find the power consumed by the lamp, we can use the formula for power:Step 1: Understand the formula for power. Power (P) is defined as the amount of work done (or energy consumed) per unit time. The formula is: \( P = \frac
The calculation of energy in electrical systems depends on the amount of current flowing through a conductor (I) in amperes, as well as on the electrical potential, or voltage (V), driving the current, in volts. Multiplying these two parameters gives the power of the electricity (P) in wat...
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We are asked about the formula for the specific volume. As we know that the specific volume is the ratio of the volume to the mass. Therefore, the...Become a member and unlock all Study Answers Start today. Try it now Create an account Ask a question Our experts can answer your ...
In the formula P = F/A, what does 'P' represent? A. pressure B. power C. potential D. pulse 相关知识点: 试题来源: 解析 A。解析:在公式 P = F/A 中,P 代表 pressure(压力)。B 选项 power 是功率;C 选项 potential 是潜力、势能;D 选项 pulse 是脉搏。反馈 收藏 ...
In other words, power is the rate of doing work. It's also the rate of transfer of heat and electrical energy. In the study of electricity, the power formula is: P=VI where V is the voltage in a circuit and I is the current flowing through that circuit. Knowing what...
What Is the Formula for Total Variable Cost? Because variable costs scale alongside, every unit of output will theoretically have the same amount of variable costs. Therefore, total variable costs can be calculated by multiplying the total quantity of output by the unit variable cost. ...
RPPP expands on the idea of purchasing power parity and complements the theory of absolute purchasing power parity (APPP). The APPP concept declares that the exchange rate between the two nations will be equal to the ratio of the price levels for those two countries, and APPP is discussed lat...