Sentences with phrase «electric current flows»

It is made up of a battery - filled ring, through which electric current flows.
3) discover that when electric current flows through an insulated wire wound around an iron core, the core becomes a magnet 4) be able to build a simple electromagnet 5) explore ways to manipulate a variety of variables to increase the strength of the electromagnet 6) know some uses of electromagnets 7) distinguish between a permanent magnet and an electromagnet 8) learn the components of an electric bell and how an electric bell works Your feedback is much appreciated.
Electrolysis occurs when a mild electric current flows through the hair follicles from a small, metal probe.
Attached to one end are piezoelectric crystals, which are crystals that emit a sound vibration when an electric current flows through them.
If strong updrafts of wind make that altitude separation big enough, an electric current flows to cancel out the difference in charge.
Using electrical measurements he collected during the eel attacks, Catania came up with an equation to estimate the amount of electric current flowing from the eel into his arm.
The migration of those ions is accompanied by an electric current flowing through wires that are connected to the upper and lower molten metal layers, the battery's electrodes.
Inside the camera the focused light strikes the halides, sending an electric current flowing through the crystalline structure.
In addition, this material stores heat energy by various approaches such as (b) electric current flow or (c) light - irradiation.
Powerful electric currents flow in twisted patterns along these arcs.
When one attempts to recharge a battery by reversing the direction of electric current flow, the opposite takes place: a reduction reaction proceeds at the negative electrode, and an oxidation reaction takes place at the positive electrode.
Most missions studying the magnetosphere focus their efforts around the equator where much of the electric currents flow.

Not exact matches

At times Dionysius seems to imply that grace flows from Christ through the ranks like an electric current, raising up all members to the divine likeness, willing or not.
When salty ocean water flows through the magnetic field, an electric current is generated and this, in turn, induces a magnetic response in the deep region below Earth's crust — the mantle.
Catania placed his arm in a tank with a 40 - centimeter - long electric eel (relatively small as eels go) and determined, in amperes, the electrical current that flowed into him when the eel struck.
During use, lithium ions stored in the graphite flow to the lithium - based electrode, where they form chemical bonds with oxygen atoms, a reaction that generates an electric current.
When an electric current was applied in a direction slightly misaligned with the chains, heat flowed perpendicular to the current, a phenomenon known as the «transverse Peltier effect.»
Our body's neurons come in several different varieties and capacities, but none lets current flow even 1 percent as swiftly as in an electric can opener.
Finally, Yoichi Ando and colleagues at the Central Research Institute of the Electric Power Industry in Tokyo, Japan, report that in nonsuperconducting LSCO and YBCO, the electrical resistance is smaller for current flowing in the direction in which the stripes are thought to run.
The «stripes» theory states that current flows without resistance along lines of electric charge inside copper - and - oxygen - based superconductors.
This concerted flow of electrons constitutes an electric current which in turn creates a magnetic field across the gap, perhaps providing the spark which causes the opposing fields on either side to break and reconnect.
What would happen if an electric current no longer flowed, but trickled instead?
In addition, ARPES can not be used to visualize electron behavior in insulators — materials within which electric current does not flow freely.
Scientists have converted a gentle flow of gas directly into an electric current by flowing common gases like oxygen, nitrogen, or argon over a special kind of semiconductor.
In 1952, Hodgkin and Huxley introduced a model in which nerve signals were described as an electric current along the nerve produced by the flow of ions.
Instead of transmitting electric current without any loss of power, as superconductors do, superinsulators completely shut off the flow of charges under an applied voltage.
An electric current, meanwhile, is nothing more than a steady flow of electrons.
Electric currents that flow into and out of the ionosphere, which AMPERE monitors, have various effects on it as well as the atmosphere in general that can cause problems with tracking LEO space debris, the use of GPS systems, and even terrestrial power plants — as was the case when a geomagnetic storm took down Quebec's power grid in 1989, Anderson says, adding, «The operators didn't know what was happening.»
In conventional digital electronics, the key to building logic gates is the transistor, a component in which a modest control signal can regulate the flow of a large electric current.
The electric current from a flexible battery placed near the knuckle flows through the conductor and powers the LED just below the fingernail.
They describe technology that would react the CO2 with water or other liquids and, with further processing, produce a flow of electrons that make up electric current.
Iron is a metal, which means it can easily conduct a flow of electrons that makes up an electric current.
«Up to the point at which the electric field breaks down and current flows across the gap [between the electrodes], more voltage gives you greater expansion and greater force,» Pelrine says.
TE materials display the thermoelectric effect: apply heat on one side, and an electric current starts to flow.
A spin wave can be thought of as similar to an ocean wave, which keeps water molecules in essentially the same place while the energy is carried through the water, as opposed to an electric current, which can be envisioned as water flowing through a pipe, said principal investigator Kang L. Wang, UCLA's Raytheon Professor of Electrical Engineering and director of the Western Institute of Nanoelectronics (WIN).
«That flow creates electric currents that create a magnetic field.
Electrical conductivity, a measure of how strongly a given material conducts the flow of electric current, is generally understood in terms of Ohm's law, which states that the conductivity is independent of the magnitude of an applied electric field, i.e. the voltage per metre.
«We attached the polyethylene film to one of the battery electrodes so that an electric current could flow through it,» said Chen, lead author of the study.
So is the closely related phenomenon of superconductivity, the frictionless flow of an electron gas in a conducting material (an electric current) at sufficiently low temperatures.
This caused an electric current to flow through the device, which was hooked up to a machine to measure such signals.
When enough of them flow in, an electric current begins to flow.
Unlike conventional RAM (read - only memory) SRAM and DRAM chip technologies, with MRAM, data is stored by magnetic storage elements, instead of energy - expending electric charge or current flows.
Proper flow of electricity relies on adequate hydration and minerals because these are both conductors of electric current.
Each time a network is activated — the information recalled for review or use — the connections become stronger and faster (speed through a circuit is largely determined by the layers of myelin coating that are built up around the axons — this is also in response to the flow of the electric current of information transport when the circuit is activated).
Version 2.0 also uses a new 375 - volt electric motor with different stator windings that allow more current to flow at lower speeds — resulting in 40 additional hp.
The definition of Anode and Cathode is not determined by polarity (+ / --RRB- but goes back to the days where as a convention it was decided that an electric current was going to flow from plus to minus.
In the electric Motor current flow in the stator induces a large magnetic field in that stator, and the reaction between the magnetic field causes the rotor to rotate.
The interesting thing about that analogy of a resistor is that what matters, is both the total volume of energy being put through the resistor (the electric current / flow of solar energy) AND the efficiency of the resistor in slowing down the passage of energy.
Just as current flowing through a wire causes a torqued magnetic field around the circumference of the wire, the current passing through the rotating Earth produces an electric current about the equator in the direction of rotation.
Coronal holes produce a recurring solar wind burst which in turn (for low latitude coronal holes) creates a space charge differential in the earth's ionosphere which in turn causes an electric current to flow from high latitude regions to the earth's equator.
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