The effective way to increase the sensitivity of a moving coil galvanometer is to___________________?

Related Mcqs:

A magnetic field___________________?

A. always exerts a force on a charged particle B. never exerts a force on a charged particles C. exerts a force if the charged particle is moving in the direction of the magnetic field lines D. exerts a force if the charged particle is moving perpendicular to the magnetic field lines...

A sensitive galvanometer gives full-scale deflection with 100 mV. If the resistance of the galvanometer is 50? the maximum current that can flow through safely is__________________?

A. 2.0 mA B. 20 mA C. 200 mA D. 0.2 mA...

Coil of a galvanometer is suspended in a radial magnetic field so that the deflecting torque on the coil is always___________________?

A. BINA cosa B. BINA sina C. BINA tana D. BINA...

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...

If the plane of the rectangular coil is parallel to the magnetic field (i.e radial magnetic field) the torque on the coil is_____________________?

A. τ = NIAB cosφ B. τ = NIAB sinφ C. τ = NIAB tanφ D. τ = NIAB...