Pure water is an electrical insulator, but with even a little added salt, it becomes an excellent conductor. Since humans are mostly water, we are also good conductors of electricity, which is why touching some
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 one ...
When a charge is first brought near a conductor, the free charge inside the conductor rearranges itself extremely quickly to cancel out the field … while this is happening, of course there is a field! (And of course there is an electric field inside every current-carrying wire.) Surface...
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...
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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...
解析 what,主语 原句中的从句是“what makes him an excellent conductor”,这是一个表语从句,由连词“what”引导。在该从句中,“what”不仅作为连词,还充当从句的主语,因为从句的结构为“what(主语) + makes(谓语) + him(宾语) + an excellent conductor(补语)”。因此,连词“what”在从句中作主语。
Real inductors have turn-to-turn winding capacitance that acts as if it were a parallel circuit element. The self-resonant frequency (SRF) of an inductor is the frequency at which the inductive reactance is equal in magnitude to the capacitive reactance of the windings. At the SRF, the induc...
That’s because metal is a great conductor of electricity. (In fact, so is the human body, which is why you can sometimes pass the shock on to someone else.) The opposite of a conductor is an insulator, which impedes the flow of electrons from one material to another. Rubber is a ...
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