Physics
A magnetic field of 2×10−2T acts at right angles to a coil of area 100cm2 with 50 turns. The average emf induced in the coil is 0.1V, when it is removed from the field in time t. The value of t is
12
Aug
A magnetic field of 2×10−2T acts at right angles to a coil of area 100cm2 with 50 turns. The average emf induced in the coil is 0.1V, when it is removed from the field in time t. The value of t is A magnetic field of 2×10−2T acts at right angles to a coil of [...]
A 100 mH coil carries a current of 1 A. Energy stored in its magnetic field is
12
Aug
A 100 mH coil carries a current of 1 A. Energy stored in its magnetic field is A 100 mH coil carries a current of 1 A. Energy stored in its magnetic field is August 12, 2020 Category: Chapter 26 - EMI , NEET Last 32 Years Solved 1988 - 2019 Physics and Chemistry Video [...]
A rectangular coil of 20 turns and area of cross-section 25 sq cm has a resistance of 100Ω. If a magnetic field which is perpendicular to the plane of coil changes at a rate of 1000 tesla per second the current in the coil
12
Aug
A rectangular coil of 20 turns and area of cross-section 25 sq cm has a resistance of 100Ω. If a magnetic field which is perpendicular to the plane of coil changes at a rate of 1000 tesla per second the current in the coil The total charge induced in a conducting loop when it is [...]
The total charge induced in a conducting loop when it is moved in magnetic field depends on
12
Aug
The total charge induced in a conducting loop when it is moved in magnetic field depends on The total charge induced in a conducting loop when it is moved in magnetic field depends on August 12, 2020 Category: Chapter 26 - EMI , NEET Last 32 Years Solved 1988 - 2019 Physics and Chemistry Video [...]
A conductor of length 0.4 m is moving with a speed of 7 m/s perpendicular to a magnetic field of intensity 0.9Wb/m2. The induced emf across the conduct is
12
Aug
A conductor of length 0.4 m is moving with a speed of 7 m/s perpendicular to a magnetic field of intensity 0.9Wb/m2. The induced emf across the conduct is A conductor of length 0.4 m is moving with a speed of 7 m/s perpendicular to a magnetic field of intensity 0.9Wb/m2. The induced emf across [...]
The magnetic flux through a circuit of resistance R changes by an amount ϕ in a time Δt . Then the total quantity of electric charge Q that passes any point in the circuit during the time Δt is represent by
12
Aug
The magnetic flux through a circuit of resistance R changes by an amount ϕ in a time Δt . Then the total quantity of electric charge Q that passes any point in the circuit during the time Δt is represent by If nearly 10^5 coulomb liberate 1g equivalent of aluminium then the amount of aluminium [...]
For protecting a sensitive equipment from the external magnetic field, it should be
11
Aug
For protecting a sensitive equipment from the external magnetic field, it should be For protecting a sensitive equipment from the external magnetic field it should be August 11, 2020 Category: Chapter 25 - Magnetic Induction and Magnetic Materials , NEET Last 32 Years Solved 1988 - 2019 Physics and Chemistry Video Solutions , Physics ,
A diamagnetic substance is brought near a strong magnet, then it is
11
Aug
A diamagnetic substance is brought near a strong magnet, then it is A diamagnetic substance is brought near a strong magnet then it is August 11, 2020 Category: Chapter 25 - Magnetic Induction and Magnetic Materials , NEET Last 32 Years Solved 1988 - 2019 Physics and Chemistry Video Solutions , Physics ,
A bar magnet of magnetic moment M is placed in a magnetic field of induction B. The torque exerted on it is
11
Aug
A bar magnet of magnetic moment M is placed in a magnetic field of induction B. The torque exerted on it is A bar magnet of magnetic moment M is placed in a magnetic field of induction B. The torque exerted on it is August 11, 2020 Category: Chapter 25 - Magnetic Induction and Magnetic [...]
In which type of material the magnetic susceptibility does not depend on temperature ?
11
Aug
In which type of material the magnetic susceptibility does not depend on temperature ? In which type of material the magnetic susceptibility does not depend on temperature ? August 11, 2020 Category: Chapter 25 - Magnetic Induction and Magnetic Materials , NEET Last 32 Years Solved 1988 - 2019 Physics and Chemistry Video Solutions , [...]