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Obtain an expression for the orbital magnetic moment of an electron rotating about the nucleus in an atom.
Concept: Origin of Magnetism in Materials
State the principle on which transformer works.
Concept: Transformers
State Lenz’s Law.
Concept: Faraday's Laws of Electromagnetic Induction
What is electromagnetic induction?
Concept: Electromagnetic Induction
State applications of eddy currents.
Concept: Eddy Currents or Foucault Currents
An alternative voltage given by V = 140 sin 314t is connected across a pure resistor of 50 Ω. Find
- The frequency of the source.
- The rms current is through the resistor.
Concept: Different Types of AC Circuits: AC Voltage Applied to a Resistor
What is the value of resistance for an ideal voltmeter?
Concept: Potentiometer
An electron, a proton, an α-particle, and a hydrogen atom are moving with the same kinetic energy. The associated de Broglie wavelength will be longest for ______.
Concept: De Broglie Hypothesis
What is Magnetic intensity?
Concept: Magnetisation and Magnetic Intensity
State the principle on which transformer works.
Concept: Transformers
What is electromagnetic induction?
Concept: Electromagnetic Induction
Draw the circuit diagram of a half-wave rectifier. Hence explain its working.
Concept: p-n Junction Diode as a Rectifier
Write the functions of three segments of a transistor.
Concept: Junction Transistor >> Transistor as an Amplifier (Ce-configuration)
Explain the following concept with an example.
Digitalisation
Concept: Digitalisation
Write differences.
Pre-Independence and Post-Independence periods of the Women’s Movement in India.
Concept: Womens’ Movement in India
Write differences.
Social Movement and Social Change
Concept: Social Movements and Social Change
How many atoms constitute one unit cell of a face-centered cubic crystal?
Concept: Number of Atoms in a Unit Cell
What is the formula of a compound in which the element Y forms hcp lattice and atoms of X occupy 2/3rd of tetrahedral voids?
Concept: Close Packed Structures - Formula of a Compound and Number of Voids Filled
Define the following term: Primitive unit cells
Concept: Crystal Lattices and Unit Cells
Define the following term:
Ferromagnetism
Concept: Properties of Solids: Magnetic Properties
