A battery.
Hydroelectricity does what all electricity does. Hydro refers to the source of the electricity (generated by moving water) rather than the nature of the electric current itself.
The starter solenoid receives a large electric current from the car battery and a small electric current from the ignition switch. When the ignition switch is turned on, a small electric current is sent to the starter solenoid. This causes the starter solenoid to close a pair of heavy contacts, thus relaying a large electric current to the starter motor, which in turn sets the engine in motion.
Electrolyte
electrocardiogram
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A temporary source of an electric current is called a battery. It converts chemical energy into electrical energy to power devices or circuits.
A battery is a common temporary source of electric current. When connected to a circuit, a battery transforms stored chemical energy into electrical energy to power devices or equipment. Once the stored energy is depleted, the battery needs to be recharged or replaced to continue providing electric current.
A generator can be used as a temporary source of power
Yes. A generator is another temporary source, but it can usually be used more than once, so a battery would be the best choice.
turn it off by unplugging the current source.
A generator can be used as a temporary source of power
POINTS
An electric current is movement of electrons, no matter the source or cause.
An electromagnet is called a temporary magnet because it only produces a magnetic field when an electric current is flowing through it. When the current is turned off, the magnetic field disappears, unlike a permanent magnet which retains its magnetic properties without needing an external power source.
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Electromagnets have temporary nature because if you take away their electric current, the magnet no longer works.
A temporary magnet produced using an electric current is an electromagnet. When an electric current flows through a coil of wire wrapped around a magnetic core, such as iron, it generates a magnetic field. This magnetic field allows the electromagnet to attract and hold magnetic materials like iron or steel.