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Magnetic deflection sensitivity of a cathode ray oscilloscope (CRO) is defined as the amount of deflection of electron spot produced when a magnetic flux density of 1 Wb/m2 is applied.

SM = (e / m )1\2 x 1\ (2V0) 1\2 x l x L

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What are two factors whirch can enhance electron deflection in magnetic field?

Increasing the strength of the magnetic field and increasing the velocity of the electron are two factors that can enhance electron deflection in a magnetic field. This is because a stronger magnetic field exerts a greater force on the electron, while a higher velocity leads to a larger deflection due to the interaction with the magnetic field.


Why galvanometer show opposite deflection?

A galvanometer shows opposite deflection because the current flowing through it causes a magnetic field that interacts with the permanent magnet inside the galvanometer. The direction of the magnetic field determines the direction of deflection of the needle, resulting in opposite deflection depending on the direction of current flow.


When the free ends of a tester are dipped into a solution the magnetic needle of a compass shows deflection. Can you explain the reason?

The deflection of the magnetic needle in the compass is due to the flow of electric current when the free ends of the tester, such as a galvanometer, are dipped into the solution. The electric current creates a magnetic field around the tester, which interacts with the Earth's magnetic field, causing the needle in the compass to show deflection.


Why deflection of the magnetic needle placed in a coil carrying current increases as the number of turns in the coil increases?

Deflection of the magnetic needle placed in a coil carrying current increases as the number of turns in the coil increase because as the number of turns in the coil increases the strength of the magnetic field also increases.


Why is the deflection in the galvanometer reversed when the magnet is moved in and out in a solenoid?

When the magnet is moved into the solenoid, the change in magnetic field induces an electric current in the solenoid. This induced current then creates a magnetic field that opposes the initial magnetic field created by the permanent magnet. This opposing magnetic field causes the galvanometer deflection to be reversed.

Related Questions

What is called the winding around the CRT yoke that deflects the electron beam with its magnetic field?

It's called a deflection coil. If a c.r.t. uses magnetic deflection, there will be two deflection coils, a horizontal one and a vertical one.


What are two factors whirch can enhance electron deflection in magnetic field?

Increasing the strength of the magnetic field and increasing the velocity of the electron are two factors that can enhance electron deflection in a magnetic field. This is because a stronger magnetic field exerts a greater force on the electron, while a higher velocity leads to a larger deflection due to the interaction with the magnetic field.


How do you compare magnetic moments of two magnets using deflection magnetometer?

To compare the magnetic moments of two magnets using a deflection magnetometer, you would place one magnet at a known distance from the magnetometer and measure the angle of deflection caused by its magnetic field. Then, you would repeat the process with the second magnet at the same distance and compare the angles of deflection. The magnetic moment of the magnets can be compared by the ratio of the sine of the angles to the distance and the Earth's magnetic field strength.


Why galvanometer show opposite deflection?

A galvanometer shows opposite deflection because the current flowing through it causes a magnetic field that interacts with the permanent magnet inside the galvanometer. The direction of the magnetic field determines the direction of deflection of the needle, resulting in opposite deflection depending on the direction of current flow.


What is magnetic deflection sensitivity of CRO?

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When the free ends of a tester are dipped into a solution the magnetic needle of a compass shows deflection. Can you explain the reason?

The deflection of the magnetic needle in the compass is due to the flow of electric current when the free ends of the tester, such as a galvanometer, are dipped into the solution. The electric current creates a magnetic field around the tester, which interacts with the Earth's magnetic field, causing the needle in the compass to show deflection.


Why deflection of the magnetic needle placed in a coil carrying current increases as the number of turns in the coil increases?

Deflection of the magnetic needle placed in a coil carrying current increases as the number of turns in the coil increase because as the number of turns in the coil increases the strength of the magnetic field also increases.


What is an electrical current that produces a magnetic field?

The deflection of a magnetic compass in the presence of an electric current, is evidence that an electric current produces a magnetic field.


Why is the deflection in the galvanometer reversed when the magnet is moved in and out in a solenoid?

When the magnet is moved into the solenoid, the change in magnetic field induces an electric current in the solenoid. This induced current then creates a magnetic field that opposes the initial magnetic field created by the permanent magnet. This opposing magnetic field causes the galvanometer deflection to be reversed.


What is evidence that an electrical current produces a magnetic field?

The deflection of a magnetic compass in the presence of an electric current, is evidence that an electric current produces a magnetic field.


What is Tanb position in Deflection magnetometer?

In a deflection magnetometer, the Tan B position is the location where the magnetic needle aligns itself tangentially to the Earth's magnetic field when no external magnetic field is present. It is an important reference point for determining the strength and direction of an external magnetic field.


Are gamma rays deflected by magnetic field?

Yes, gamma rays can be deflected by a magnetic field. This deflection occurs due to the interaction between the electromagnetic field of the gamma rays and the magnetic field, causing the gamma rays to change direction. This phenomenon is known as magnetic deflection and is commonly observed in high-energy particle physics experiments.