Question

Electric field on a cavity of metal​

Answer 1

Answer:

Zero field exists inside the cavity of a conductor. As the charge resides on the outer surface of a conductor irrespective of the shape/size of the conductor and the field inside the cavity of the is always zero .

Answer 2

The electric field in a cavity of metal depends upon the size of the cavity, which is always zero.

Explanation:

• The value for electric field inside any metallic cavity is zero.
• Electric field is dependent on the distance between the point charges, the magnitude of charge and the force between the point and test charge.
• Lines of electric field from the charge enclosed in the cavity causes the induced surface charges.
• Charges on the outer surface of the conductor radiate and terminate at charge which is at a faraway position.