Question

Magnetic meridian is a ?
a - point
b - horizontal plane
c - vertical plane
d - line along N-S​

Answer 1

Magnetic meridian is a c - vertical plane.

What is a magnetic meridian?

• Magnetic meridian is assumed to be a line inside the earth which joins north and south poles.
• It is parallel to magnetic lines of force of earth's magnet.
• These lines run along the surface of the earth and is considered as horizontal component of magnetic lines.
• It is referred as an imaginary vertical plane which is passing through earth's magnetic axis.
• This vertical plane is suspended freely along the axis.