Q1PhysicsUnit 13: Magnetic Effects of Current and Magnetism
Curie temperature is the temperature
above which
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Magnetic Effects of Current and Magnetism Previous Year Questions for JEE
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Subtopics in Magnetic Effects of Current and Magnetism
- Biot Savart law and its application to the current carrying circular loop
- Ampere's law and its applications to infinitely long current carrying straight wire and solenoid
- Force on a moving charge in uniform magnetic and electric fields
- Force on a current-carrying conductor in a uniform magnetic field
- The force between two parallel currents carrying conductors-definition of ampere
- Torque experienced by a current loop in a uniform magnetic field: Moving coil galvanometer, its sensitivity and conversion to ammeter and voltmeter
- Current loop as a magnetic dipole and its magnetic dipole moment, bar magnet as an equivalent solenoid, magnetic field lines
- Magnetic field due to a magnetic dipole (bar magnet) along its axis and perpendicular to its axis, torque on a magnetic dipole in a uniform magnetic field
- Para-, dia- and ferromagnetic substances with examples, the effect of temperature on magnetic properties
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Q2PhysicsUnit 13: Magnetic Effects of Current and Magnetism
A fiat circular coil, carrying a current,
has a magnetic moment
This question has multiple correct options
Q3PhysicsUnit 13: Magnetic Effects of Current and Magnetism
Assertion
If a charged particle enters from outside at right angles in uniform
magnetic field.The maximum time spent in magnetic field may be
Reason
It can complete only semi-circle in the magnetic field.
Q4PhysicsUnit 13: Magnetic Effects of Current and Magnetism
Alnico is used for making permanent
magnets because it has
Q5PhysicsUnit 13: Magnetic Effects of Current and Magnetism
The force between two magnetic poles is when they are separated by certain distance. If the distance between the two
poles is doubled and strength of each pole is tripled. The percentage change in the force between the two poles is :
Q6PhysicsUnit 13: Magnetic Effects of Current and Magnetism
Which of the following phenomenon can
be related to electric current
Q7PhysicsUnit 13: Magnetic Effects of Current and Magnetism
The distance between two magnetic
poles is doubled and their pole-strength is also doubled. The force between them
Q8PhysicsUnit 13: Magnetic Effects of Current and Magnetism
To make an electromagnet, the best material which should be used is
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Popular questions in Magnetic Effects of Current and Magnetism
- Alnico is used for making permanent magnets because it has…
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- The temperature at which the domain structure gets destroyed and ferromagnetic substance is converted into paramagnetic …
- According to Curie's law, the magnetic susceptibility of a substance at an absolute temperature T is proportional to -…
- Assertion (A): To protect any instrument from external magnetic field, it is put inside an iron box Reason (R) : Iron is…
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