NEET Questions Solved


Concept Videos :-

#1 | Analogy b/w Electrostatics & Magnetostatics

Concept Questions :-

Analogy between electrostatics and magnetostatics

Difficulty Level:

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Concept Videos :-

#1 | Analogy b/w Electrostatics & Magnetostatics

Concept Questions :-

Analogy between electrostatics and magnetostatics

(1)

At axial point: B=μ04π2Mr3At equitorial point (at same distance): B'=μ04πMr3=12μ04π2Mr3=12BAt distance 2r:B'=μ04πM2r3==18μ04πMr3=18B2=B16

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A magnet of magnetic moment 20 C.G.S. units is freely suspended in a uniform magnetic field of intensity 0.3 C.G.S. units. The amount of work done in deflecting it by an angle of 30o in C.G.S. units is
(a) 6

(b) 33

(c) 3(2-3)

(d) 3

Concept Videos :-

#1 | Analogy b/w Electrostatics & Magnetostatics

Concept Questions :-

Analogy between electrostatics and magnetostatics

Difficulty Level:

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The magnetic field due to a short magnet at a point on its axis at distance X cm from the middle point of the magnet is 200 Gauss. The magnetic field at a point on the neutral axis at a distance X cm from the middle of the magnet is
(a) 100 Gauss               (b) 400 Gauss
(c) 50 Gauss                 (d) 200 Gauss

Concept Videos :-

#1 | Analogy b/w Electrostatics & Magnetostatics

Concept Questions :-

Analogy between electrostatics and magnetostatics

Along the axis of magnet Ba=2MX3=200 gauss

Ba=MX3=100 gauss 

 

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A magnet of magnetic moment 50i ^A-m2 is placed along the x-axis in a magnetic field B=(0.5i^+3.0j^)T. The torque acting on the magnet is

(a) 175 k^ N-m

(b) 150 k^ N-m

(c) 75 k^ N-m

(d) 2537 k^ N-m

Concept Videos :-

#1 | Analogy b/w Electrostatics & Magnetostatics

Concept Questions :-

Analogy between electrostatics and magnetostatics

Difficulty Level:

  • 11%
  • 67%
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