Minimum current required to produce a deflection of 1 mm on a scale at a distance of 1 meter is__________________?

Related Mcqs:

Which one of the following material is most suitable for making core of an electromagnet ?

A. air B. steel C. Cu-Ni alloy D. soft iron...

The relationship between Tesla and smaller unit Gauss of magnetic induction is given by_________________?

A. 1T = 103 G B. 1T = 10-4 G C. 1T = 10-2 G D. 1T = 104 G...

A moving coil galvanometer of resistance 100? gives half scale deflection for a current of 20mA. What will be the potential difference across it ?

A. 4 volt B. 5 volt C. 2 volt D. 0.4 volt...

Magnetic flux and flux density are related by___________________?

A. magnetic flux = flux density / area B. magnetic flux = flux density x area C. flux density = magnetic flux area D. flux density = magnetic flux x area...

The charged particle enters the uniform magnetic field in such a way that its initial velocity is not perpendicular to the field the orbit will be__________________?

A. a circle B. a spiral C. an ellipse D. helix...