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The primary is connected to a 120-V AC source and the secondary is connected to an electrical device with a resistance of 1000 ohms. 1. What will be the voltage output of the secondary? 2. What current flows in the secondary circuit? 3. What is the power in the secondary coil? 4...
A solenoid is a coiled length of metal wire. In most applications, the wire is looped around a metallic core, called an armature. Solenoids feature two cores–the movable armature and a stationary core. As voltage is passed through the solenoid, a magnetic field is produced. This result is ...
What is a moving coil galvanometer ? Explain in detail. How does the nearness of a conductor increase the capacity of a charged conductor? How does magnetism make an electric motor operate? What are three ways in which voltage can be induced in a wire?
A solenoid is an electromagnet formed from a wire that carries current. Electromagnets have magnetic fields created from currents. The wire of a solenoid is often formed into a helical coil, and a piece of metal such as iron is often inserted inside. Whe
Today, building tesla coils and observing their beautiful sparks is a common activity among electricity enthusiasts and science hobbyists. The largest tesla coil in the world releases 1.5 megavolts of current and produces sparks 20 ft long. ...
The same physics is also involved in reverse charging. How Does Reverse Wireless Charging Work The phone with reverse wireless charging has a coil that carries AC current. This current generates a magnetic field around the same. The device that you want to charge wirelessly also has a similar ...
What is electric flux in physics? What is the use of neutral wire? What is its potential? What is electric field lines? What are equipotential lines? Why is it necessary to have an earth wire installed in a power circuit, but not in a lightening circuit?
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