0
What else can I help you with?
Where do chemical reactions occur in electrochemical cells?
Chemical reactions occur at the electrodes of electrochemical cells. At the anode, oxidation occurs as electrons are released into the circuit, and at the cathode, reduction occurs as electrons are accepted from the circuit. This flow of electrons creates an electric current in the cell.
When does a short circuit occur?
You will get a short circuit if two uninsulated parts of the supply conductors, touch each other. You can also get a short circuit if the "hot" supply conductor touches any grounded metallic part of the system.
What device senses short circuits and stops electrical flow when ground fault occur?
It is a Ground Fault Circuit Interrupter or GFCI. It can either be equipped in your electric panel as a GFCI breaker, or in a GFCI outlet which also lets you extend the GFCI protection to other outlets "down the line" from the GFCI outlet.
What are three things needed for a closed circuit to occur?
For a closed circuit to occur, you need a power source to provide energy, a complete loop or pathway for the current to flow through (including conductive materials and wires), and a load or device that uses the electrical energy flowing in the circuit. This allows the circuit to be continuous and functional.
What safety devices that stop the flow of electric currents?
There are two types. A fuse is a piece of wire that is thinner than the circuit it is placed in series with. Any excessive current causes the fuse to melt and this cuts off the power. The fusing current is somewhat unpredictable. A circuit-breaker is a resettable device that can be set to interrupt the supply at a fixed amount of current.
What movement results in a electric current?
Movement of electric charges through a conductor results in an electric current. This can occur when electrons flow through a wire in a circuit, creating a continuous flow of charge.
What is the role of reactive power in an electric circuit?
Some electrical machines work on the principle of electromagnetic induction. For such events to occur, we need inductor due to which reactive power flows in the circuit. Since, this power is due to the energy storing elements in the circuit like inductor and capacitor. That is why, we need reactive power in a electric circuit.
What must occur to electric current?
transfer/movement of electrons
Where do chemical reactions occur in electrochemical cells?
Chemical reactions occur at the electrodes of electrochemical cells. At the anode, oxidation occurs as electrons are released into the circuit, and at the cathode, reduction occurs as electrons are accepted from the circuit. This flow of electrons creates an electric current in the cell.
Why electric shocks occur?
An electric shock can be useful to the body in these two situations:A Defribrilator - Used to restart a patient's heart if it stops beating.A Pacemaker - Used to send electrical impulses to the heart at certain timings to make it beat properly.
What must occur before the current flows through a circuit?
As current is the rate of flow of electric chargesAs I=Q/tso,there must be free electrons for the flow of electric current in a circuit.Then when voltage is applied at the terminals of circuit the free electrons acquire an average velocity called as drift velocity in the opposite direction to that of electric field (-E).Now the free electrons modify there random motion and a steady current begin to flow in a circuit.
How does matter become charged?
Matter becomes charged when electrons are transferred between objects, causing an imbalance of positive and negative charges. This can occur through friction, conduction, or induction processes. When an object gains or loses electrons, it becomes either positively or negatively charged.
Does electric shock occur in space?
An electric shock could occur in space. One thing to keep in mind about electrical shocks is that if the body provides a return path for current to flow then an electrical shock will occur. It does not matter if it is in space or on earth, touching a potential across the output supply on a high voltage system is going to short circuit the supply through you.
How Electric charge created?
Electric charge is created when electrons are transferred between objects. This transfer of electrons can occur through friction, contact, or induction. When an object gains or loses electrons, it becomes positively or negatively charged, respectively.
Why is it necessary for oscillation to occur in a circuit?
It is not "necessary" for oscillation to occur in any "arbitrary" circuit. It depends on the design objectives. Please be more specific, and restate the question.
In a series circuit with two loads what would occur if one load was to be removed while the circuit is energized?
The circuit will de-energize.
When does a short circuit occur?
You will get a short circuit if two uninsulated parts of the supply conductors, touch each other. You can also get a short circuit if the "hot" supply conductor touches any grounded metallic part of the system.
