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12.Magnetism
12 Magnetism
What will happens when a magnetic compass is brought near a current carrying wire ?
what-happens-when-a-magnetic-compass-is-brought-near-a-current-carrying-wire
Which of the following appliance does not use an electromagnet?
which-of-the-following-appliance-does-not-use-an-electromagnet
The magnetic effect produced by a current carrying coil can be increased by
the-magnetic-effect-produced-by-a-current-carrying-coil-can-be-increased-by
When a conductor having electricity current is carried in magnetic field this experiences
when-a-conductor-having-electricity-current-is-carried-in-magnetic-field-this-experiences
The magnetism of a magnet is due to
the-magnetism-of-a-magnet-is-due-to
A long magnet is cut into two parts such that the ratio of their lengths is 2:1. What is the ratio pole strength of both the section?
a-long-magnet-is-cut-into-two-parts-such-that-the-ratio-of-their-lengths-is-2-1-what-is-the-ratio-pole-strength-of-both-the-section
What happens to the magnetic moment if a hole is made at the centre of a bar magnet?
what-happens-to-the-magnetic-moment-if-a-hole-is-made-at-the-centre-of-a-bar-magnet
What is the angle of dip at equator ?
what-is-the-angle-of-dip-at-equator
At the poles, the dip needle will
at-the-poles-the-dip-needle-will
The angle of dip where the vertical component of the earth’s magnetic field is equal to the horizontal component of the earth’s magnetic field will be
the-angle-of-dip-where-the-vertical-component-of-the-earth-s-magnetic-field-is-equal-to-the-horizontal-component-of-the-earth-s-magnetic-field-will-be
Which of the following independent quantities is not used to specify the earth’s magnetic field?
which-of-the-following-independent-quantities-is-not-used-to-specify-the-earth-s-magnetic-field
The line of force in a magnetic field represents the direction at each point that a magnetic needle placed at the point takes up. Do they also represent the direction of the force on a moving charge at each point?
the-line-of-force-in-a-magnetic-field-represents-the-direction-at-each-point-that-a-magnetic-needle-placed-at-the-point-takes-up-do-they-also-represent-the-direction-of-the-force-on-a-moving-charge-at-each-point
What is the net magnetic flux through a closed surface?
what-is-the-net-magnetic-flux-through-a-closed-surface
Which of the following is not a consequence of Gauss’s law?
which-of-the-following-is-not-a-consequence-of-gauss-s-law
Consider the following statements (1). Magnetic fields of forces are closed lines (2) . Magnetic lines of forces do not intersect each other . Which of the statement (s) given above is/are correct?
consider-the-following-statements-1-magnetic-fields-of-forces-are-closed-lines-2-magnetic-lines-of-forces-do-not-intersect-each-other-which-of-the-statement-s-given-above-is-are-correct
Magnetic Resonance Imaging (MRI) is used in medical diagnosis to obtain images of our internal body organs. This is primarily possible because
magnetic-resonance-imaging-mri-is-used-in-medical-diagnosis-to-obtain-images-of-our-internal-body-organs-this-is-primarily-possible-because
A transformer is based on the principle of
a-transformer-is-based-on-the-principle-of
Which statement is not correct ?
which-statement-is-not-correct
Which material is considered better in making of permanent magnet
which-material-is-considered-better-in-making-of-permanent-magnet
Which of the following material is preferred in making electromagnet ?
which-of-the-following-material-is-preferred-in-making-electromagnet
At curie temperature a ferromagnetic material becomes
at-curie-temperature-a-ferromagnetic-material-becomes
The essential difference between AC generator and DC generator is
the-essential-difference-between-ac-generator-and-dc-generator-is
Which of the following statement is correct ?
which-of-the-following-statement-is-correct
A superconductor exhibits perfect:
a-superconductor-exhibits-perfect
The main cause for energy loss in transformer is / are
the-main-cause-for-energy-loss-in-transformer-is
