At an observatory the magnetic field makes an angle of below the horizontal (positive…

PHYSICS · Single correct · CBSE · Physics · Electricity: Magnetic and Heating Effects · Electricity: Magnetic and Heating Effects

Problem

At an observatory the magnetic field makes an angle of

60^\circ

below the horizontal (positive downward) and the horizontal component of the field has magnitude

20\,\mu\text{T}

. What is the magnitude of the total magnetic field at the observatory? (a)

10\,\mu\text{T}

(b)

23\,\mu\text{T}

(c)

40\,\mu\text{T}

(d)

35\,\mu\text{T}