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Electromagnetic Induction

Explain Faraday’s law of electromagnetic induction. If the magnetic flux Φ through a coil changes from 5Wb to 3Wb in 0.1 calculate the induced EMF.

10/11/2024

Physics

12th (Science)

Magnetic Effects of Current

Using Biot-Savart’s law, derive the expression for the magnetic field at the center of a circular current-carrying loop of radius r and current I

10/11/2024

Physics

12th (Science)

Current Electricity

Derive Ohm’s law using the concept of drift velocity. Also, explain how resistivity of a conductor depends on temperature.

10/11/2024

Physics

12th (Science)

Capacitors

 Calculate the equivalent capacitance of a system where three capacitors, each of capacitance C, are connected in series and then in parallel. What is the ratio of these equivalent capacitances?

10/11/2024

Physics

12th (Science)

Electrostatics

Derive the expression for the electric field E due to a uniformly charged thin spherical shell at a point (a) outside the shell and (b) inside the shell.

10/11/2024

Physics

12th (Science)

Money and inflation

Normally what is inflation ?

10/11/2024

Economics

11th (Commerce)

Money and inflation

Write the meaning of baretr system  

10/11/2024

Economics

11th (Commerce)

Indicators of Growth and Development

State the limitations of development 

10/11/2024

Economics

11th (Commerce)

Indicators of Growth and Development

State the limitations of economic  growth 

10/11/2024

Economics

11th (Commerce)

Indicators of Growth and Development

What type of change is rise in production?

10/11/2024

Economics

11th (Commerce)