1. Consider a circle of radius 3.4 cm.
Find its circumference.
Answer in units of cm.
2.
Find its area.
Answer in units of cm.
3.
Consider a circle of radius 5.59 cm.
Find its circumference.
Answer in units of cm.
4.
Find its area.
Answer in units of cm?.

In a vernier instrument the main scale is in 1/2 mm divisions .vernier is made by redividing 19 such divisions into 20 equal parts. calculate the least count of the instrument.

The metric unit of electrical power is the watt volt ampere ohm

Acoil formed by wrapping 80 turns of wire in the shape of a square is positioned in a magnetic field so that the normal to the plane of the coil makes an angle of 28.0° with the direction of the field. when the magnetic field is increased uniformly from 200 µt to 600 µt in 0.400 as, an emf of magnitude 80.0 mv is induced in the coil. what is the total length of the wire?