List of top Questions asked in COMEDK UGET

An ammeter reads 0 to 10 A. It has negligible resistance.To convert this into voltmeter to read upto 250 V, resistance to be used is

A moving charge interacts

A resistance wire of $72\,\Omega$ is connected across 120 V dc source. When a similar wire is connected in paralllel with the first wire, change in power dissipated is

When a material is placed in a magnetic field B, a magnetic moment proportional tc B but in a direction opposite to B is induced. The material is

A long hollow copper pipe carries a current. The magnetic field producted will be