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What device is used for Measuring the current flow to a motor without making direct contact with the circuit?
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What is the logic behind flow of electricity without circuit?
current
If voltage changes in a ac circuit what happens to current?
Voltage attempts to make a current flow, and current will flow if the circuit is complete. It is possible to have voltage without current, but current cannot flow without voltage. The answer is "yes",voltage remains the same as current moves through the circuit.As the voltage remains constant, current increases in the circuit.
Does the current generates if there is no resistance in the circuit?
You can have current without resistance. You would just have zero voltage drop across that zero resistance.However, the question is very interesting, because if you really had zero resistance in the entire circuit, it would be impossible to have any voltage at all without generating an infinite current, so the answer in the theoretical case is no, you can have no current, nor voltage, if there is no resistance at any point in the circuit.
What is the difference between reverse current and overcurrent protection?
A reverse current relay senses Power in (uses both voltage and current, and looks at the phase angle between these), and operates if power is flowing in the reverse direction, and the current is above a set point. An overcurrent relay looks at only current, and operates if it is above a set point regardless of power flow direction. Reverse current relays are often referred to as reverse power relays.
Why does the current decrease when frequency increases?
That depends on actual circuit impedances and without knowing them cannot be answered in any way. But if all the circuit impedances are purely resistive, there will be no change in current flow with any change in frequency.
How do you measure dc current in an electric current?
measuring current usually requires opening the circuit to allow a meter to be inserted in series with the circuit, although clip-on current probes are available (but are rather expensive and typically bulky) that can simply be clipped around a wire without needing to modify anything.
What is the purpose of an insulator?
Keeps the current in the conductor. Without the insulation on a conductor the current can and will leave the intended path in the electrical circuit if it comes in contact with some other conductive path if there is a difference of potential.
What is the logic behind flow of electricity without circuit?
current
Will a circuit work without a switch?
Yes a circuit will work without a switch but the only problem will be is that electricity will be wasted and there will be no device to stop the flow of current
If voltage changes in a ac circuit what happens to current?
Voltage attempts to make a current flow, and current will flow if the circuit is complete. It is possible to have voltage without current, but current cannot flow without voltage. The answer is "yes",voltage remains the same as current moves through the circuit.As the voltage remains constant, current increases in the circuit.
Even without current flow there can be voltage in a circuit?
Voltage is potential energy and can exist in a open circuit.
What constitutes a complete circuit?
Where the current can flow around completely, without being interrupted by a break in the circuit.
Where are circuits?
Circuits are used anywhere you want to have an electrical current flow. Without a circuit, you cannot have current flow. Without current flow, you cannot do any work.
What would happen to circuit if there was no resistance?
a circuit with no resistance or zero resistance can be considered as open circuit in which the current is zero. without resistance the circuit just becomes open ()
What is the definition of a complete?
A complete circuit is where a current can flow without any leaks.
Where are circuits used?
Circuits are used anywhere you want to have an electrical current flow. Without a circuit, you cannot have current flow. Without current flow, you cannot do any work.
What is electric current that flows through different parts of this circuit at the same time?
Cannot say without seeing the circuit.
