Why is it that in a tangent galvanometer the aluminium pointer is fixed perpendicular to the magnetic needle and not parallel? Anyways , why is the aluminium pointer used after all cant we just measure the current by the defletion of the needle ?
There is a statement that says "In a...
How many accelerations are there in circular motion ?
is this right ?
and if a particle in accelerated motion always experiences an intertial force,
does an inertial force act opposite to linear acceleration ?