0
Want this question answered?
Be notified when an answer is posted
Add your answer:
Earn +20 pts
What are three facts about electric field lines?
1. Electric field lines of force originate from the positive charge and terminate at the negative charge. 2. Electric field lines of force can never intersect each other. 3. Electric field lines of force are not present inside the conductor, it is because electric field inside the conductor is always zero. 4. Electric field lines of force are always perpendicular to the surface of conductor. 5. Curved electric field lines are always non-uniform in nature.
The electrical intensity inside a charged hollow sphere is?
The electric FIELD inside a charged hollow CONDUCTOR is zero.
What is the principle of electrostatic shielding?
The method of protecting a region from the effect of electric field is called electrostatic shielding. The electric field inside the cavity of a conductor is zero. Therefore, any instrument or an appliance can be placed in the cavity of a conductor so that it may not be affected by the electric field.
Can a person stay safely inside a spherical conductor charged to a very high voltage?
Yes. The static electric field inside a charged conductor is zero, no matter what the voltage is between the conductor and the rest of the world.
Why electric field lines are always perpendicular to the surface of the conductor?
to save the static character of conductor in the presence of electric field
When an electric field is applied to a conductor does the electric field develops within the conductor or around the conductor?
The electric field will develop inside the conductor, depending on the characteristics of the electric field -- in a steady state (DC) or in an alternating mode (AC). The higher the frequency of oscillation, the shallower the field will reside in the conductor -- skin depth (check the related link). Hence, when the frequency is high, only the few mm's of the outer skin participates in the action (AC electrical conduction.) In steady state (DC), the frequency is zero, the electric field is distributed inside the whole conductor.
What is the size of the electric field inside any charged conductors?
Inside a conductor, it's zero.
What are three facts about electric field lines?
1. Electric field lines of force originate from the positive charge and terminate at the negative charge. 2. Electric field lines of force can never intersect each other. 3. Electric field lines of force are not present inside the conductor, it is because electric field inside the conductor is always zero. 4. Electric field lines of force are always perpendicular to the surface of conductor. 5. Curved electric field lines are always non-uniform in nature.
The electrical intensity inside a charged hollow sphere is?
The electric FIELD inside a charged hollow CONDUCTOR is zero.
What is the principle of electrostatic shielding?
The method of protecting a region from the effect of electric field is called electrostatic shielding. The electric field inside the cavity of a conductor is zero. Therefore, any instrument or an appliance can be placed in the cavity of a conductor so that it may not be affected by the electric field.
How do you calculate the electric field inside a conductor?
A spherical conductor with a radius of 14.0 cm and charge of 26.0 microcoulombs. Calculate the electric field at (a)r=10.0cm and (b)r=20.0cm and (c)r=14.0 from the center.
Can a person stay safely inside a spherical conductor charged to a very high voltage?
Yes. The static electric field inside a charged conductor is zero, no matter what the voltage is between the conductor and the rest of the world.
When ac passes through a conductor which fields are produced a magnetic field or an electric field?
when ac passes through a conductor, the field produced is an electric field
Why electric field lines are always perpendicular to the surface of the conductor?
to save the static character of conductor in the presence of electric field
If a conductor is placed in a uniform electric field does the conductor gain any charge?
The conductor will not gain any charge that is not placed on it by you. However, the electric field will displace the free charges already within the conductor (by its nature) such that there will be a non-uniform surface charge density. Remember: a conductor must have zero electric field inside it, so the charges rearrange to cancel the external E-field. Again, this only repositions the existing charge, but it does not add or remove any charge.
Can Magnetism cause an electric current to flow in a conductor?
Yes, a MOVING magnetic field will cause electric current to flow in a conductor. Conversely an electric current flowing in a conductor will cause a magnetic field.
Why are eddys formed in a conductor in an external magnetic field?
Eddy currents are electric currents that are produced inside conductors, through the process of changing the magnetic field in the conductor. The external magnetic field is used as a barrier or skin to protect the eddy.
