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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: AC Voltage Applied to a Resistor
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
Distinguish between diamagnetic and paramagnetic substances.
Concept: Magnetic Properties of Materials
What is Magnetic intensity?
Concept: Magnetisation and Magnetic Intensity
State SI unit of Magnetization.
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 Big Five-Factor Model of personality (OCEAN).
Concept: Big Five Factor Model of Personality: (Ocean)
Write short note.
Characteristics of modernisation
Concept: Modernisation
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
Write differences.
Mobile addiction and Drug addiction.
Concept: Addiction (Substance, Internet, Mobile)
Give an account of polyembryony.
Concept: Polyembryony
Explain any two contrivances or outbreeding devices for pollination.
Concept: Outbreeding Devices
