Consider a closed loop of string, left to move through space without external forces.
They are connected to each other in a closed loop.
An example of this would be holding one's shoulder to create a closed loop which the other arm goes through.
In other words, curl is always present when a field line forms a closed loop.
It had been bent so that the open end was at a right angle to the closed loop.
The second system is a closed loop and we can't touch it.
The second is never to leave on the floor a closed loop of wire or string.
Water is then pumped into the system, which forms a closed loop.
According to this definition, a knot only makes sense in a closed loop.
If the closed loop were long enough it could even be used for power transmission.
Now the one place kids have always looked to as the ultimate refuge - the open road - may start feeling like a closed circuit.
They cut their phone lines and patch in calls on a closed circuit.
Do not forget that whatever voltage source you have is part of the closed circuit.
When the wires touch the metal, a closed circuit is created.
The closed circuit on the delta side provides some benefits.
This one is a closed circuit for just the two of you.
A closed circuit has a complete path for current to flow.
The motor should test as a closed circuit with some resistance.
Nobody yet has burned out one of those things on a closed circuit.
Without a closed circuit at this end, the book had said it was very dangerous to send anything living through the system.
