What is the direction of the induced current in the loop?

The induced current produces induced emf opposing the increase in flux. Therefore, a counterclockwise current is induced in the loop to increase the flux. The direction of the induced current in the circular loop is counterclockwise. In c, the current is constant implying that there is no change in flux.

What happens if the current carrying wire is parallel to the magnetic field?

Force on a current-carrying wire that is parallel to magnetic field will be zero. This is because the magnitude of force depends on the sin of the angle between the direction of current and the direction of magnetic field, so if the current carrying wire is held parallel to the magnetic field, the force will be zero.

What is the direction of the magnetic field due to the current carrying wire in the coil?

Each segment of circular loop carrying current produces magnetic field lines in the same direction with in the loop. The direction of magnetic field at the centre of circular coil is perpendicular to the place of the coil. i.e. along the axis of the coil.

What is the direction of the induced current in the circular loop due to the current increasing through the straight conductor?

The induced current is clockwise. There is no change in magnetic flux through the loop. No current is induced in the loop because the magnetic flux is constant. Using Right-hand rule for straight conductors: An increasing magnetic field is directed into the page through the loop.

What is induced emf and induced current?

Whenever there is a change in the magnetic flux linked with a closed circuit an emf is produced. This emf is known as the induced emf and the current that flows in the closed circuit is called induced current.

What is the force between two parallel current carrying wires?

The official definition of the ampere is: One ampere of current through each of two parallel conductors of infinite length, separated by one meter in empty space free of other magnetic fields, causes a force of exactly 2 × 10−7 N/m on each conductor.

When current is parallel to magnetic field then force?

Answer: If the current direction is parallel to the magnetic field, then there will no force on the conductor exerted by the magnetic field. Hence, the force experienced by current carrying conductor is \(0\).

How does this affect the magnetic field around the wires?

Because the magnetic field created by the electric current in the wire is changing directions around the wire, it will repel both poles of the magnet by bending away from the wire.

What happens when a wire is moved through a magnetic field?

Current is produced in a conductor when it is moved through a magnetic field because the magnetic lines of force are applying a force on the free electrons in the conductor and causing them to move. This is called induction because there is no physical connection between the conductor and the magnet.

Which direction is the magnetic field?

north
The direction of magnetic field lines is defined to be the direction in which the north end of a compass needle points. The magnetic field is traditionally called the B-field.

What happens when a magnet is pulled away from a loop?

Figure 23–8 Applying Lenz’s law to a magnet moving away from a current loop (b) If the north pole of a magnet is pulled away from a conducting loop, the induced current produces a south magnetic pole near the magnet’s north pole. The result is an attractive force opposing the motion of the magnet.

What type of magnetic field is used in a circular loop?

A circular loop of wire is held in a uniform magnetic field, with the plane of the loop perpendicular to the field lines. Which of the following will not cause a current to be induced in the loop?

How does a magnet drive a current through a coil?

Moving a permanent magnet inside a coil of wire induces an emf which then drives a current through the circuit. EMF Produced by a Changing Magnetic Field, 1 A loop of wire is connected to a sensitive ammeter When a magnet is moved toward the loop, the ammeter deflects The direction was chosen to be toward the right arbitrarily

Which direction does the induced magnetic field point in a circuit?

At point 1 the induced magnetic field will point into the page to oppose the increasing external field. This means the current must be CLOCKWISE (use RHR2) At point 2 the induced magnetic field will point into the page, in the same direction as the decreasing external field.