Login
Login
Register
Questions
Unanswered
Tags
Categories
Ask a Question
Ask a Question
Recent questions tagged permanent magnets
+2
votes
1
answer
For a vibration magnetometer, the time ****** of suspended bar magnet can be reduced by -
asked
Mar 30, 2019
in
Class 12
by
kratos
neet
jee
magnetic effect of current
jee mains
magnetism and matter
permanent magnets
class-12
+2
votes
1
answer
A dip circle is taken to geomagnetic equator. The needle is allowed to move in a vertical plane perpendicular to the magnetic meridian.
asked
Mar 26, 2019
in
Class 12
by
kratos
neet
magnetic effects of electric current
jee
magnetism and matter
jee mains
magnetism
permanent magnets
class-12
magnatism and matter
+3
votes
1
answer
A short magnet produces a deflection of 37° in a deflection magnetometer in Tan-A position
asked
Mar 15, 2019
in
Class 12
by
kratos
permanent magnets
class-12
+2
votes
1
answer
A blast of wind tips a sailboat in the clockwise direction when viewed from the stern.
asked
Mar 14, 2019
in
Class 12
by
kratos
properties of matter
class-12
class-11
permanent magnets
class-10
atmosphere
fluids
+3
votes
1
answer
A long bar magnet has a pole strength of 10A-m. Find the magnetic field at a point on the axis
asked
Mar 14, 2019
in
Class 12
by
kratos
permanent magnets
class-12
+2
votes
1
answer
A uniform magnetic field of 0.20 x 10^-3T exists in the space.
asked
Mar 13, 2019
in
Class 12
by
kratos
permanent magnets
class-12
+1
vote
1
answer
A compass needle which is allowed to move in a horizontal plane is taken to a geomagnetic pole.
asked
Mar 9, 2019
in
Class 12
by
kratos
neet
matter
properties of magnetic substances
magnetism and matter
magnetism
permanent magnets
class-12
+1
vote
1
answer
A circular loop carrying a current is replaced by an equivalent magnetic dipole.
asked
Mar 3, 2019
in
Class 12
by
kratos
permanent magnets
class-12
+3
votes
1
answer
When a current in a circular loop is equivalently replaced by a magnetic dipole,
asked
Feb 24, 2019
in
Class 12
by
kratos
permanent magnets
class-12
+1
vote
1
answer
In working with deflection magnetometer, the proportional error will be minimum when the deflection is
asked
Feb 21, 2019
in
Class 12
by
kratos
neet
magnetic effects of electric current
jee
aiims
electromagnetism
jee mains
magnetism and matter
magnetism
permanent magnets
class-12
+1
vote
1
answer
The magnetic field at a point, 10cm away from a magnetic dipole, is found to be 2.0 x 10^-4T.
asked
Feb 11, 2019
in
Class 12
by
kratos
permanent magnets
class-12
+3
votes
1
answer
Let r be the distance of a point on the axis of a bar magnet from its centre.
asked
Feb 7, 2019
in
Class 12
by
kratos
permanent magnets
class-12
+3
votes
1
answer
A dip needle vibrates in the vertical plane perpendicular to the magnetic meridian.
asked
Feb 5, 2019
in
JEE
by
kratos
electromagnetic induction
magnetic effects of electric current
jee
jee mains
magnetism
permanent magnets
class-12
+3
votes
1
answer
The magnetic moment of the assumed dipole at the earth'* centre is 8.0 x 10^22A-m^2.
asked
Feb 5, 2019
in
Class 12
by
kratos
permanent magnets
class-12
+1
vote
1
answer
The magnetic field due to the earth has a horizontal component of 26μT at a place where the dip is 60°.
asked
Feb 1, 2019
in
Class 12
by
kratos
permanent magnets
class-12
cbse
+2
votes
1
answer
To measure the magnetic moment of a bar magnet, one may use (a) a tangent galvanometer
asked
Jan 30, 2019
in
Class 12
by
kratos
permanent magnets
class-12
+3
votes
1
answer
The combination of two bar magnets makes 10 oscillations per second in an oscillation magnetometer
asked
Jan 23, 2019
in
Class 12
by
kratos
permanent magnets
class-12
+1
vote
1
answer
Consider a magnetic dipole kept in the north-south direction.
asked
Jan 19, 2019
in
Class 12
by
kratos
permanent magnets
class-12
+1
vote
1
answer
Figure (36-E1) shows some of the equipotential surfaces of the magnetic scalar potential.
asked
Jan 8, 2019
in
Class 12
by
kratos
permanent magnets
class-12
+1
vote
1
answer
Explain deflection magnetometer. How will you compare the magnetic moments of two magnets with its help?
asked
Jan 4, 2019
in
Class 12
by
kratos
neet
magnetic effects of electric current
jee
aiims
jee mains
electromagnetism
magnetism and matter
magnetism
permanent magnets
class-12
To see more, click for the
full list of questions
or
popular tags
.