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Can a magnetic field exert a force on a stationary current-carrying wire?
Surely but current direction has not to be parallel to magnetic field. Force on the wire = B I L sin@ When @ is zero, ie parallel then F = 0 If @ = 90 then force will be max. F = B I L Here L is the length of the current carrying conductor
Why does current stop at absolute zero in a semiconductor?
At absolute zero, semiconductor atoms come to a stop due to lack of thermal energy, reducing the number of free charge carriers available for conduction. Without free charge carriers, current cannot flow through the semiconductor, resulting in the cessation of electrical conduction at absolute zero.
What is the magnitude of the least possible current that could exits?
The magnitude of the least possible current that could exist is zero, in the absence of any flow of charge.
An ammeter when connected to wire does not show any value of currentwhy?
If it is an ammeter designed for DC (direct current) like you have in a car and you connect it in an AC (alternating current) circuit (like you have in your home) it will read zero, even though it is obvious that current is flowing.
What does the reading on a ammeter say when the switch is open?
An open switch in a circuit will stop all current flow so the ammeter should read zero amps.
Can a magnetic field exert a force on a stationary current-carrying wire?
Surely but current direction has not to be parallel to magnetic field. Force on the wire = B I L sin@ When @ is zero, ie parallel then F = 0 If @ = 90 then force will be max. F = B I L Here L is the length of the current carrying conductor
What is the force between two perpendicular current carrying wires?
The force between two perpendicular current carrying wires is zero, as the magnetic field produced by each wire acts perpendicular to the other wire's current. As a result, there is no component of the magnetic force that can act along the direction of the wires.
Why is the net electric charge in a curren carrying wire normally zero?
Electrons or other charged particles are moved around; no new charges are created.
What kind of criminal charge is ccwzt?
Carrying Concealed Weapon, Zero Tolerance Carrying a weapon in a strict controlled area: government buildings, schools, etc.
Which happens to the magnetic field of a wire when you change the direction of the current in the wire The magnetic field?
The magnetic field collapses to zero, then builds up again for the current in the opposite direction.
What happens to the total charge on a wire when a current flows through a wire?
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What wire carries the electrical current to the appliance?
The black wire is the hot wire through which the electrical current flows to the appliance. The left over voltage which is usually zero flows back to the main circuit panel through the white neutral wire where it flows to ground.
Why electric current across a wire drops?
Electric current does not drop. Electric voltage, however, drops across a wire because the wire has non-zero resistance. (Do not confuse electric current with electric voltage - they are not the same.)The reason current does not drop is that, in a series circuit, according to Kirchoff's current law, the current at every point in a series circuit is the same.
Why does current stop at absolute zero in a semiconductor?
At absolute zero, semiconductor atoms come to a stop due to lack of thermal energy, reducing the number of free charge carriers available for conduction. Without free charge carriers, current cannot flow through the semiconductor, resulting in the cessation of electrical conduction at absolute zero.
What is the magnitude of the least possible current that could exits?
The magnitude of the least possible current that could exist is zero, in the absence of any flow of charge.
How do you identify nutral and earthing wire if they change?
Making a load On, By using a clamp meter for measuring the current in the wires : we find a reading in Amps. if we clamp the neutral wire. and zero when clamping the earthing wire.
Charge buildup between the plates of a capacitor stops when?
Charge buildup between the plates of a capacitor stops when the current flow through the capacitor goes to zero.
