मराठी
महाराष्ट्र राज्य शिक्षण मंडळएचएससी विज्ञान (सामान्य) इयत्ता ११ वी

Choose the correct option. Inside a bar magnet, the magnetic field lines - Physics

Advertisements
Advertisements

प्रश्न

Choose the correct option.

Inside a bar magnet, the magnetic field lines

पर्याय

  • are not present

  • are parallel to the cross-sectional area of the magnet

  • are in the direction from N pole to S pole

  • are in the direction from S pole to N pole

MCQ
Advertisements

उत्तर

Inside a bar magnet, the magnetic field lines are in the direction from S pole to N pole.

shaalaa.com
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 12: Magnetism - Exercises [पृष्ठ २२८]

APPEARS IN

बालभारती Physics [English] Standard 11 Maharashtra State Board
पाठ 12 Magnetism
Exercises | Q 1. (iv) | पृष्ठ २२८

व्हिडिओ ट्यूटोरियलVIEW ALL [3]

संबंधित प्रश्‍न

Magnetic lines of force are closed continuous curves.


Write any three properties of magnetic lines of force.


How are the magnetic field lines different from the electrostatic field lines?


Predict the polarity of the capacitor in the situation described below :


An iron needle is attracted to the ends of a bar magnet but not to the middle region of the magnet. Is the material making up the ends of a bare magnet different from that of the middle  region?


Answer the following question in brief.

What happens if a bar magnet is cut into two pieces transverse to its length/along its length?


Solve the following problem.

Two small and similar bar magnets have a magnetic dipole moment of 1.0 Am2 each. They are kept in a plane in such a way that their axes are perpendicular to each other. A line drawn through the axis of one magnet passes through the center of other magnet. If the distance between their centers is 2 m, find the magnitude of the magnetic field at the midpoint of the line joining their centers.


Answer the following question in detail.

Two bar magnets are placed on a horizontal surface. Draw magnetic lines around them. Mark the position of any neutral points (points where there is no resultant magnetic field) on your diagram.


A short bar magnet placed with its axis at 30° with a uniform external magnetic field of 0.25 T experiences a torque of magnitude equal to 4.5 × 10–2 J. What is the magnitude of magnetic moment of the magnet?


Which of the following statements about bar magnet is correct?


In which case of comparing solenoid and bar magnet there is no exact similarity?


Magnetic field at far axial point due to solenoid as well as bar magnet varies ______.


According to the dipole analogy 1/ε0 corresponds to ______.


Magnetic lines of force due to a bar magnet do not intersect because ______.

Magnetic moment for solenoid and corresponding bar magnet is ______.


Four point masses, each of value m, are placed at the comers of a square ABCD of side L, the moment of inertia of this system about an axis through A and parallel to BD is ______.


At a certain 100 p of reduces 0.0/57 m carrier a current of 2 amp. The magnetic field at the centre of the coop is [`mu_0 = 4pi xx 10^-7` wb/amp – m]


A magnetic needle suspended freely orients itself:-


A particle having charge 100 times that of an electron is revolving in a circular path by radius 0.8 with one rotation per second. The magnetic field produced at the centre is


A ball of superconducting material is dipped in liquid nitrogen and placed near a bar magnet. (i) In which direction will it move? (ii) What will be the direction of it’s magnetic moment?


Suppose we want to verify the analogy between electrostatic and magnetostatic by an explicit experiment. Consider the motion of (i) electric dipole p in an electrostatic field E and (ii) magnetic dipole m in a magnetic field B. Write down a set of conditions on E, B, p, m so that the two motions are verified to be identical. (Assume identical initial conditions.)


Verify the Ampere’s law for magnetic field of a point dipole of dipole moment m = m`hatk`. Take C as the closed curve running clockwise along (i) the z-axis from z = a > 0 to z = R; (ii) along the quarter circle of radius R and centre at the origin, in the first quadrant of x-z plane; (iii) along the x-axis from x = R to x = a, and (iv) along the quarter circle of radius a and centre at the origin in the first quadrant of x-z plane.


There are two current carrying planar coils made each from identical wires of length L. C1 is circular (radius R) and C2 is square (side a). They are so constructed that they have same frequency of oscillation when they are placed in the same uniform B and carry the same current. Find a in terms of R.


A long straight wire of circular cross section of radius 'a' carries a steady current I. The current is uniformly distributed across its cross section. The ratio of magnitudes of the magnetic field at a point `a/2` above the surface of wire to that of a point `a/2` below its surface is ______.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×