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A difference in charge
Electric charge
A device to get a current flow through a wire (i.e. from a battery) and no breaks in the wire.
An electric field E is produced by a punctual electric charge q or by any electrically charged object. The Efield produced by a charge is analogous to the gravitational field g produced by a mass : Fg= mg the same way Fe = qE.
a closed circuit
For example, you can make an analogy with the flow of water in a tube.
A difference in charge
Electric charge
A device to get a current flow through a wire (i.e. from a battery) and no breaks in the wire.
Why is the wet-bulb reading necessary when checking the charge
A charge in motion is usually called an electric current, but could also be called dynamic electricity (analogous to a charge at rest being called static electricity).
No, it is not necessary to remove it. You can charge it right there on the mower.
How long should I leave a battery on charge
Yes, it is necessary to initally charge them up, and to subsequently recharge their batteries.
By the application of a voltage source electric charge will flow.
No, it is not necessary to disconnect the batteries.
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