July 2021 (Page 2)

On:
In: Magnetism

What happen when a charge moves in a Magnetic Field? When a charge is projected to move in a magnetic field, it experiences a force on it. Hence, a charge moving in a magnetic fieldRead More →

On:
In: Magnetism

What is called Lorentz Force? When a charged body moves in a region of electric and magnetic field, it experiences a force of attraction or repulsion. This force is called Lorentz force. This Lorentz force isRead More →

On:
In: Magnetism

What are different types of Magnetic materials? Faraday has divided materials into three classes based on their magnetic behavior. These are – Diamagnetic Materials. Paramagnetic Materials. Ferromagnetic Materials. Diamagnetic materials The materials which are weaklyRead More →

On:
In: Magnetism

What is Magnetic Dipole Moment? Magnetic dipole moment is defined as the product of pole strength of one of the poles of a magnet and magnetic length ( distance between magnetic poles ). Let, theRead More →

On:
In: Current Electricity

How combination of cells are done? Sometimes a combination of cells are used in a circuit to get the desired EMF which is not possible by a single cell. These cells are connected in differentRead More →

On:
In: Static Electricity

What is a spherical Capacitor? A capacitor consisting of two concentric spherical shells is called a spherical capacitor. Electric Field between spherical surfaces Consider a spherical capacitor as shown in figure. Let, Concentric inner andRead More →

On:
In: Static Electricity

What is a Parallel plate Capacitor? Parallel plate capacitor is defined as a combination of two conducting parallel surfaces separated by a non conducting medium such that it can store electric charge. When the platesRead More →

On:
In: Static Electricity

How Electric Field is produced by a Charged Shell? Gauss law helps in evaluating the electric field of bodies having continuous charge distribution like a charged wire, charged thin sheet, charged sphere etc. Hence, toRead More →

On:
In: Static Electricity

How Electric Field develops in a conductor? Gauss law helps in evaluating the electric field of bodies having continuous charge distribution. It is conveniently used to find the electric field in conductor like a chargedRead More →

On:
In: Static Electricity

How to determine Intensity of electric field of a Dipole? Intensity of an electric field produced by an electric dipole is called dipole field intensity. Dipole field intensity of dipole is of great importance atRead More →

On:
In: Static Electricity

What are Electric Field Lines? Electric field lines are straight or curved imaginary lines in the region of electric field of a source charge such that the tangent at any point on the field lineRead More →

On:
In: Heat Energy

What are different speeds of molecules? Molecules of a gas are assumed as rigid and elastic spheres. In a given mass of gas, these molecules remains in constant movement throughout the space available. During theRead More →

On:
In: Heat Energy

What are Specific Heats of gases? Specific heat of a gas is defined as the quantity of heat required to raise the temperature of unit mass of gas by . When a gas is heated,Read More →

On:
In: Gravitation

What is called a Collision? Collision is an event in which two moving bodies or one moving body and other stationary body collide (strike) with each other. Collision between two bodies is said to beRead More →