Physics
A straight wire of diameter 0.5mm carrying a current of 1A is replaced by another wire of 1mm diameter carrying the same current. The strength of magnetic field far away is
11
Aug
A straight wire of diameter 0.5mm carrying a current of 1A is replaced by another wire of 1mm diameter carrying the same current. The strength of magnetic field far away is August 11, 2020 Category: Chapter 23 - Magnetic Effects of Current and Moving Charges , NEET Last 32 Years Solved 1988 - 2019 Physics [...]
The magnetic field dB due to a small element at a distance r and carrying current ′I′ is
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Aug
The magnetic field dB due to a small element at a distance r and carrying current ′I′ is August 11, 2020 Category: Chapter 23 - Magnetic Effects of Current and Moving Charges , NEET Last 32 Years Solved 1988 - 2019 Physics and Chemistry Video Solutions , Physics ,
If a long hollow copper pipe carries a current, then magnetic field is produced
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Aug
If a long hollow copper pipe carries a current, then magnetic field is produced August 11, 2020 Category: Chapter 23 - Magnetic Effects of Current and Moving Charges , NEET Last 32 Years Solved 1988 - 2019 Physics and Chemistry Video Solutions , Physics ,
A deuteron of kinetic energy 50 keV is describing a circular orbit of radius 0.5 meter in a plane perpendicular to magnetic field B. The kinetic energy of the proton that describes a circular orbit of radius 0.5 meter in the same plane with the same B is
11
Aug
A deuteron of kinetic energy 50 keV is describing a circular orbit of radius 0.5 meter in a plane perpendicular to magnetic field B. The kinetic energy of the proton that describes a circular orbit of radius 0.5 meter in the same plane with the same B is August 11, 2020 Category: Chapter 23 - [...]
A uniform magnetic field acts right angles to the direction of motion of electrones. As a result, the electron moves in acircular path of radius 2 cm. If the speed of electrons is doubled, then the radius of the circular path will be
11
Aug
A uniform magnetic field acts right angles to the direction of motion of electrones. As a result, the electron moves in acircular path of radius 2 cm. If the speed of electrons is doubled, then the radius of the circular path will be August 11, 2020 Category: Chapter 23 - Magnetic Effects of Current and [...]
A charge moving with velocity v in X-direction is subjected to a field of magnetic induction in the negative X -direction. As a result, the charge will
11
Aug
A charge moving with velocity v in X-direction is subjected to a field of magnetic induction in the negative X -direction. As a result, the charge will August 11, 2020 Category: Chapter 23 - Magnetic Effects of Current and Moving Charges , NEET Last 32 Years Solved 1988 - 2019 Physics and Chemistry Video Solutions [...]
An electron enters a region where magnetic field (B) and electric field (E ) are mutually perpendicular, then
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Aug
An electron enters a region where magnetic field (B) and electric field (E ) are mutually perpendicular, then August 11, 2020 Category: Chapter 23 - Magnetic Effects of Current and Moving Charges , NEET Last 32 Years Solved 1988 - 2019 Physics and Chemistry Video Solutions , Physics ,
A 10eV electron is circulating in a plane at right angles to a uniform field at magnetic induction 10−4Wb/m2 (=1.0 gauss). The orbital radius of the electron is
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Aug
A 10eV electron is circulating in a plane at right angles to a uniform field at magnetic induction 10−4Wb/m2 (=1.0 gauss). The orbital radius of the electron is August 11, 2020 Category: Chapter 23 - Magnetic Effects of Current and Moving Charges , NEET Last 32 Years Solved 1988 - 2019 Physics and Chemistry Video [...]
A beam of electron is moving with constant velocity in a region having electric and magnetic fields of strength 20Vm−1 and 0.5T at right angles to the direction of motion of the electrons. What is the velocity of the electrons?
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Aug
A beam of electron is moving with constant velocity in a region having electric and magnetic fields of strength 20Vm−1 and 0.5T at right angles to the direction of motion of the electrons. What is the velocity of the electrons? August 11, 2020 Category: Chapter 23 - Magnetic Effects of Current and Moving Charges , [...]
A positively charged particle moving due east enters a region of uniform magnetic field directed vertically upwards. The partical will be
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Aug
A positively charged particle moving due east enters a region of uniform magnetic field directed vertically upwards. The partical will be August 11, 2020 Category: Chapter 23 - Magnetic Effects of Current and Moving Charges , NEET Last 32 Years Solved 1988 - 2019 Physics and Chemistry Video Solutions , Physics ,