解析 A。“potential difference”电势差是驱动电流的力。选项 B“the rate of flow of electric charge”是电荷的流动速率;选项 C“the opposition to the flow of electric current”是对电流的阻碍;选项 D“the electrical energy stored in a conductor”是导体中储存的电能。反馈 收藏
9.1, draw arrows to indicate the direction of the magnetic field.[1](ii) The magnetic field is reversed.State what happens, if anything, to the direction of the force on the wire...[1](c) Fig. 9.2 shows a current-carrying coil in a magnetic field.magnet axle NN一coil magnet to SS...
If we subtract the potential due to the electric field at one point from the potential due to the electric field at another point, the quantity that we get is known as the potential difference. For resistors, the potential difference is calculated by subtracting the potential due to the ...
What is the potential difference Vb−Va shown in the circuit below? Potential Difference The product of the current carrying in a conductor to the resistance experienced in it is known as the potential difference.The measurable unit used for the measurement of the potential difference ...
To find the internal resistance of the cell, we will follow these steps:Step 1: Identify the Given Values - Open circuit potential difference (E) = 2.2 volts - Potential difference when the 4-ohm resistor is connected (V) = 2 v
aour class invented five different events 我们的类发明了五个不同事件[translate] a曹妃甸综合服务区用地分析图 Caofeidian synthesizes the service area to use to analyze the chart[translate] aWhat is the potential difference 什么是电位差[translate]...
a当然。我也很喜欢英文。它是门很美的语言。有机会我也希望能出国旅游啦。 Certainly.I also very much like English.It is the gate very beautiful language.Has the opportunity I also to hope can go abroad the traveling. [translate] aWhat is the potential difference? 有何电位差? [translate] ...
The potential difference across the battery terminals is 6.0V.(i) Use Fig. 5.2 to show that the current in the battery is 0.40 A.[2](ii) Calculate the internal resistance r of the battery.r=... [2](iii) Determine the ratio resistance of lamp A resistance of lamp B ratio =......
To explain the meaning of the statement "The potential difference between two conductors is 1 volt," we can break it down into several key points:1. Definition of Potential Difference: - The potential difference (often refe
10.1 is connected. The potential difference across resistor R is measured as 8.0V.ammeter3F--A Fcurrent reading Aammeter 1A ammeter 2=2.0A R4.00potential difference=8.0V Fig.10.1(a)(i) What instrument is used to measure the potential difference across R?voltmeter NOT voltameter.01(ii) On ...