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Recent questions tagged magnetism
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1
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The surest test of magnetism is 1. attraction 2. repulsion
asked
Apr 7, 2019
in
Class 12
by
kratos
class-8
class-11
class-6
pressure
force
electric charges and fields
magnetism
class-12
+2
votes
1
answer
Two coils have a mutual inductance 0.005 H. The current changes in the first coil according to equation
asked
Apr 7, 2019
in
Class 12
by
kratos
electromagnetic induction
neet
jee
aiims
jee mains
magnetism
alternating current
class-12
+3
votes
1
answer
A conducting square loop having edges of length 2.0cm is rotated through 180° about a diagonal in 0.20s.
asked
Apr 7, 2019
in
JEE
by
kratos
electromagnetic induction
jee
jee mains
magnetism
alternating current
class-12
+3
votes
1
answer
The magnetic field due to a current carrying loop of radius 3 cm at a point on its axis at a distance 4 cm from the center is 54 µT.
asked
Apr 7, 2019
in
JEE
by
kratos
magnetism
electromagnetic induction
jee
jee mains
+3
votes
1
answer
Earth'* magnetic field always has a horizontal component except at :
asked
Apr 7, 2019
in
Class 12
by
kratos
neet
magnetic effects of electric current
aiims
magnetism
class-12
+1
vote
1
answer
A direct current of 2A and an alternating current having a maximum value of 2A flow through two identical resistances.
asked
Apr 7, 2019
in
Class 12
by
kratos
electromagnetic induction
neet
ac bridges
electricity
jee
aiims
class-9
jee mains
electromagnetism
magnetism
+2
votes
1
answer
From molecular view point, discuss the temperature dependence of susceptibility for diamagnetism, paramagnetism and ferromagnetism.
asked
Apr 6, 2019
in
Class 12
by
kratos
neet
magnetic effects of electric current
magnetism and matter
magnetism
class-12
+2
votes
1
answer
Two long current carrying thin wires, both with current I, are held by insulating threads of length L and are in equilibrium
asked
Apr 6, 2019
in
JEE
by
kratos
irodov
electrodynamics
magnetic effects of electric current
jee
injso
jee mains
magnetism
electric field
+2
votes
1
answer
How will you show that like charges repel and unlike charges attract each other ?
asked
Apr 6, 2019
in
Class 10
by
kratos
class-8
magnetic effects of electric current
electricity
class-6
class-7
icse
class-10
magnetism
+3
votes
1
answer
A ring of cast steel has an external diameter of 24 cm and a square cross-section of 3 cm side.
asked
Apr 6, 2019
in
Mathematics
by
kratos
magnetism
electromagnetism
+2
votes
1
answer
A magnet of magnetic moment M is rotated through 360 in a magnetic field H, the work done will be :
asked
Apr 6, 2019
in
Class 12
by
kratos
neet
jee
properties of magnetic substances
trigonometric identities
jee mains
magnetism and matter
magnetism
class-12
+1
vote
1
answer
Two identical short bar magnets, each having magnetic moment M are placed a distance of 2d apart
asked
Apr 6, 2019
in
JEE
by
kratos
magnetic effects of electric current
jee
jee mains
magnetism
class-12
+2
votes
1
answer
A bar magnet is placed in a uniform magnetic field such that its magnetic moment makes
asked
Apr 6, 2019
in
Class 12
by
kratos
magnetism
class-12
properties of magnetic substances
+1
vote
1
answer
What is the Full Form of MRI ?
asked
Apr 5, 2019
in
Class 12
by
kratos
cbse
class-8
magnetic effects of electric current
bio medical technologies
moving charges and magnetism
class-10
magnetism
class-12
+2
votes
1
answer
A cast steel magnetic structure made for a bar of section 8 cm × 2 cm is shown in Fig. .
asked
Apr 5, 2019
in
Mathematics
by
kratos
magnetism
electromagnetism
+1
vote
1
answer
A circular loop of wire * in the same plane as an infinitely long wire carrying a constant
asked
Apr 5, 2019
in
JEE
by
kratos
electromagnetic induction
cbse
jee main 2020
jee
kvpy
jee mains 2019
jee mains
magnetism
class-12
+1
vote
1
answer
If an object is taken to the moon from the earth what will be its mass ?
asked
Apr 5, 2019
by
kratos
class-8
matter
class-6
icse
maxwells equations
magnetism
+3
votes
1
answer
The distance at which the magnetic field on axis as compared to the mag.
asked
Apr 5, 2019
in
JEE
by
kratos
magnetic effects of electric current
jee
jee mains
magnetism
+3
votes
1
answer
The atoms of copper contain electrons and the atoms of rubber also contain electrons.
asked
Apr 4, 2019
in
JEE
by
kratos
electricity
jee
class-6
class-7
class-10
icse
megnetism
jee mains
magnetism
+1
vote
1
answer
A conducting bar of mass m is placed on two long conducting rails a distance l apart.
asked
Apr 4, 2019
in
JEE
by
kratos
jee
jee mains
electromagnetism
magnetism
induction
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