What is a conductor's role in an orchestra? A. Play the main instrument. B. Write the music. C. Lead and coordinate the musicians. D. Sing in the orchestra. 相关知识点: 试题来源: 解析 C。解析:指挥在交响乐团中的作用是领导和协调音乐家。指挥不演奏主要乐器;作曲通常由作曲家完成;指挥也...
A conductor, or electrical conductor, is a substance or material that allows electricity to flow through it. In a conductor, electricalchargecarriers, usuallyelectronsor ions, move easily fromatomto atom when voltage is applied. Most metals like copper are considered good conductors, while nonmetals...
What is a conductor? Question: What is a conductor? Insulators: In physics, a substance that does not easily conduct electricity is called an 'insulator.' Some of the most commonly used insulators are glass, rubber, and plastic. The insulators do not allow the electrons to flow freely from...
Definition/Summary A material is a conductor if it contains charges (eg electrons ions or "holes") which are free to move. In equilibrium, the charge...
What does a Conductor do? A conductor is an important figure who helps to unify and guide a musical ensemble performance, ensuring that all members of the ensemble play together in time and produce a harmonious sound. The conductor's use of gesture, facial expression, and body language helps...
An electrical conductor is generally a metallic material that freely conducts electrical current. The best conductor is silver, followed by copper, and then aluminum. Copper is used in virtually all electronic equipment due to its low resistivity, relatively low cost, corrosion resistance, solderability...
Step-by-Step Solution:1. Definition of Conductor: A conductor is a material that allows electric current to flow through it easily. This is due to the presence of free electrons that can move freely within the
{eq}A {/eq} is the area of the conductor. Answer and Explanation: Given Data: Length of the conductor, {eq}L=0.5 \ \text{m} {/eq} Cross-section area of the conductor, {eq}A=0.02 \ \text{m}^2 {/eq} Resistivity of...
百度试题 结果1 题目That’s what makes him an excell ent conductor.相关知识点: 试题来源: 解析 what makes him an excellent conductor. 是表语从句, what 在从句中充当主语 反馈 收藏
It measures how much a material influences current flow when exposed to an electric field, often linked to the current’s density created by the field. Conductance of a conductor also depends on factors like shape, size, and a specific property known as its conductivity. Conductivity is ...