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An electric field was used to determine the charge of a cathode ray by observing how the ray bent in the presence of the field. By measuring the amount of deflection and knowing the strength of the electric field, the charge-to-mass ratio of the particles in the cathode ray could be calculated, providing information about their charge.
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How was the electric field used to determine the charge of the cathode ray?
The electric field was used to deflect the cathode rays in a cathode ray tube. By measuring the amount of deflection and knowing the strength of the electric field, the charge-to-mass ratio of the particles in the cathode rays could be calculated. This allowed for the determination of the charge of the particles in the cathode ray.
What factors determine the intensity of an electric field?
The intensity of an electric field is determined by the amount of charge creating the field and the distance from the charge. The closer you are to the charge, the stronger the electric field will be.
How can one determine the charge density from an electric field?
To determine the charge density from an electric field, you can use the formula: charge density electric field strength / (2 epsilon), where epsilon is the permittivity of the material. This formula relates the electric field strength to the charge density of the material.
How can one determine the direction of the electric field?
To determine the direction of the electric field, you can use a positive test charge. The direction of the electric field is the direction in which a positive test charge would move if placed in that field.
What can you determine from an electric field vector at one point?
From an electric field vector at one point, you can determine the direction of the electrostatic force on a test charge of known sign at that point. You can also determine the magnitude of the electrostatic force exerted per unit charge on a test charge at that point.
How was the electric field used to determine the charge of the cathode ray?
The electric field was used to deflect the cathode rays in a cathode ray tube. By measuring the amount of deflection and knowing the strength of the electric field, the charge-to-mass ratio of the particles in the cathode rays could be calculated. This allowed for the determination of the charge of the particles in the cathode ray.
What factors determine the intensity of an electric field?
The intensity of an electric field is determined by the amount of charge creating the field and the distance from the charge. The closer you are to the charge, the stronger the electric field will be.
How can one determine the charge density from an electric field?
To determine the charge density from an electric field, you can use the formula: charge density electric field strength / (2 epsilon), where epsilon is the permittivity of the material. This formula relates the electric field strength to the charge density of the material.
How can one determine the direction of the electric field?
To determine the direction of the electric field, you can use a positive test charge. The direction of the electric field is the direction in which a positive test charge would move if placed in that field.
What can you determine from an electric field vector at one point?
From an electric field vector at one point, you can determine the direction of the electrostatic force on a test charge of known sign at that point. You can also determine the magnitude of the electrostatic force exerted per unit charge on a test charge at that point.
Are cathode rays deflected toward a negatively charged plate in an electric field?
Yes, cathode rays are deflected towards a positively charged plate in an electric field. The negatively charged particles in the cathode rays are attracted to the positive plate, causing the deflection.
How can one determine the electric field in a given region using the keyword "how to find electric field"?
To determine the electric field in a given region, you can use the formula for electric field strength, which is E F/q, where E is the electric field strength, F is the force acting on a charge, and q is the charge. By calculating the force acting on a charge in the region and dividing it by the charge, you can find the electric field strength in that region.
When determining an electric field must a positive test charge be used or would a negative one do as well?
Either a positive or a negative test charge can be used to determine an electric field. The direction of the electric field will be defined by the force experienced by the test charge, with the positive test charge moving in the direction of the field and the negative test charge moving opposite to the field.
Why we use the positive test charge for determining the electric field?
A positive test charge is used to determine the electric field because its direction of motion will be the same as the direction of the electric field. This allows us to measure the electric force experienced by the test charge and therefore calculate the electric field strength at that point.
What are factors that determine the size of the electric potential and electric potential energy?
The size of the electric potential is determined by the amount of charge creating the electric field and the distance from the charge. The electric potential energy depends on the charge of the object and its position in the electric field, as well as the electric potential at that point.
How can one determine the strength of an electric field?
The strength of an electric field can be determined by measuring the force experienced by a test charge placed in the field. The greater the force experienced by the test charge, the stronger the electric field. The formula to calculate the electric field strength is E F/q, where E is the electric field strength, F is the force experienced by the test charge, and q is the magnitude of the test charge.
How can one determine the direction of the electric field at a specific point?
To determine the direction of the electric field at a specific point, you can place a positive test charge at that point and observe the direction in which it experiences a force. The direction of the force on the positive test charge indicates the direction of the electric field at that point.
