The resistance of the coil of a galvanometer is 9.36 ohm and a current of 0.0224 Ampere causes it to defect full scale. The only shunt available has a resistance 0.025 ohm. What resistance must be connected in series with coil to make it an ammeter of range 0-20Ampere?

In a good thermo flask the main cause of heat loss is

The man of mass m1 and the woman of mass m2 are standing on opposite ends of the platform of mass m0 which moves with negligible friction and is initially at rest with s = 0. the man and woman begin to approach each other. derive an expression for the displacement s of the platform when the two meet in terms of the displacement x1 of the man relative to the platform.

What is the relationship between the direction of motion of the balloon and the wind currents