MPSC PYQScienceMagnetism and Electromagnetic Spectrumenglish
At a certain point on earth, the vertical component of earth's magnetic field is 0.50 units and angle of declination at that point is 300 , then what is the value of magnetic field ?
A.0.50 units
B.0.25 units
C.1 units
D.50 units
Correct answer: C