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.Management Sciences
A. use a very long and fine suspension
B. use a coil of very large area
C. use a coil with very large number of turns
D. use a very strong magnetic field
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...
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