App Logo

No.1 PSC Learning App

1M+ Downloads
Local attraction of compass survey is due to

ALoss of magnetic needle

BPresence of magnetic materials

CFriction of magnetic needle

DPresence of faulty needle

Answer:

B. Presence of magnetic materials


Related Questions:

The process of turning the telescope over its horizontal axis through 180°, in a vertical plane in theodolite traversing is
സ്വത്വസാക്ഷാത്കാര സിദ്ധാന്തം ആവിഷ്കരിച്ച മനഃശാസ്ത്രജ്ഞൻ ആര്?
Leaders are usually drawn at an angle of .....degree
The fixed support in a real beam becomes in the conjugate beam a
If a force acts on a body, it steps up some resistance to the deformation. This resistance is known as