Question. In the given circuit, as the sliding contact C is moved from A to B c(a)the readings of both the ammeter and the voltmeter remain constant(b)the reading of both the ammeter and the voltmeter increase(c)the reading of the ammeter remains constant but that of the voltmeter inc...
When a magnet is moved through a coil of wire, an electric current is induced. This phenomenon is called: A. Electromagnetic induction B. Electrical resistance C. Magnetic field D. Static E. lectricity 相关知识点: 试题来源: 解析 A。本题考查电磁学中的电磁感应概念。电磁感应是指当磁体在闭合...
Seat belt lock has a magnet which is moved by the insertion/removal of the seat belt tab to generate different fields for detection by a sensor to show if ... The lock unit (12) to secure/release the end tab (16) of a vehicle seat belt has a moving locking bolt (42), a Hall ...
A charge q is moving in a magnetic field then the magnetic force does not depend upon View Solution Emf induced in the left arm of the loop, if it is moved out of the magnetic field in 1s with constant speed View Solution Asseration: The induced emf in a conducting loop of wire will...
12.Whereistheman1smothernow? A.InthehospitaI. B.Athome. C.Intheoffice 13.Whydoesthemanaskaweekoff? A.Becausehehastoseeadoctor. B.BecauseheneedstoIookafterhismother. C.Becausehehasn'thiredanyonetoheIphimyet. 14.Whydoesthewomanadmiretheman? A.Becauseheisagoodson. B.BecauseheisheIpfuI. C.Bec...
物理关于电动势的,磁场内移动为了不误导,我直接给出英文的原文A 0.2m wire is moved parallel to a 0.500T magnetic fiel
Read the following passage carefully and choose the correct onefrom the two choices given to fill in each blank.The other night as I walked ___(from\onto) the garage,a portly man wearing a stocking cap ___(exited\emerged)from a bush and aimed a pistol berween my eyes.As I set down...
Unit 6 An old man tried to move the mountains Section A (1a-2d) Ⅰ.根据句意及首字母提示完成句子。 1. The old woman was much too w eak because of her serious illness. 2. You are s illy to believe him.He is always telling lies. 3. We found some s tones on our way to school...
Click the button on-screen to acknowledge that the spindle is now running. Then it will start moving! Hooray! The initial speed may be alarming, but as long as you have set up the design and stock correctly, it will stop injustthe right place to start the first cut. ...
It is believed that today’s children and teenagers are consuming three times the recommended level of sugar, putting them at a higher risk of the disease. Initially the sugar tax was expected to make £520m a year for the Treasury. However, data of the first six months showed it would...