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Question

The SI unit of 'magnetic flux' is:

This question was previously asked in
RRB NTPC 2019 CBT 1 Question Paper (8-Mar-2021) (Shift 2)
The correct answer is
Weber

The question asks for the standard international (SI) unit of measurement for magnetic flux.

Magnetic Flux SI Unit Identification

Magnetic flux (denoted by the symbol $\Phi_B$) quantifies the total magnetic field passing through a given surface area. It is a fundamental concept in electromagnetism, particularly in Faraday's law of induction.

Understanding Magnetic Flux Unit Options

  • Weber (Wb): This is the SI derived unit for magnetic flux. It is defined as one weber per square meter ($Wb = T \cdot m^2$), where T is the Tesla, the unit of magnetic flux density.
  • Pascal (Pa): The SI unit of pressure and stress.
  • Farad (F): The SI unit of electrical capacitance.
  • Henry (H): The SI unit of electrical inductance.

Conclusion on Magnetic Flux Unit

Based on the definitions of SI units in physics, the correct unit for magnetic flux is the Weber.

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