Physics-
General
Easy

Question

At a certain place, the horizontal component B subscript 0 end subscript and the vertical component V subscript 0 end subscript of the earth's magnetic field are equal in magnitude. The total intensity at the place will be

  1. B subscript 0 end subscript    
  2. B subscript 0 end subscript superscript 2 end superscript    
  3. 2 B subscript 0 end subscript    
  4. square root of 2 B subscript 0 end subscript    

The correct answer is: square root of 2 B subscript 0 end subscript


    B subscript 0 end subscript equals V subscript 0 end subscriptalso total intensity B equals square root of B subscript 0 end subscript superscript 2 end superscript plus V subscript 0 end subscript superscript 2 end superscript end root blank rightwards double arrow B equals square root of 2 B subscript 0 end subscript

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