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☆☆☆☆☆observations
they show wich way iron shavings would align themselves
They always make closed loops.
Electric field lines can either form closed loops or they can start and finish on isolated electric charges. Magnetic field lines always only form closed loops.
When a fuse blows, you should replace the fuse and check to see what might have caused it to blow. It's a sign that there might be something causing too much current to flow in the circuit.
a generator
It is in parallel, so one light can be on while others are turned off.
negative
electromagnetic
electric force can act at a distance bbut is stronger when object are closer
In a series circuit the current is the same at every point. This is Kirchoff's current law.
No. Touching a live electric current is never a good idea.
A 120V power supply connected to a 30 Ohm resistor will produce 120/30 or 4 amps of current.
The current in a series circuit is the same at every point.
CD
gasoline or diesel fuel...apex
it picks up paperclips :-)
a copper wire carrying current and another magnet.
