Chapter 23 – Magnetic Effects of Current and Moving Charges
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Two equal electric currents are flowing perpendicular to each other as shown in the figure. AB and CD are perpendicular to each other and symmetrically placed with respect to the current flow. Where do we expect the resultant magnetic field to be zero?
11
Aug
Two equal electric currents are flowing perpendicular to each other as shown in the figure. AB and CD are perpendicular to each other and symmetrically placed with respect to the current flow. Where do we expect the resultant magnetic field to be zero? August 11, 2020 Category: Chapter 23 - Magnetic Effects of Current and [...]
A coil one turn is made of a wire of certain lenghth and then from the same length a coil of two turns is made. If the same current is passed both the cases, then the ratio of magnetic induction at there centres will be
11
Aug
A coil one turn is made of a wire of certain lenghth and then from the same length a coil of two turns is made. If the same current is passed both the cases, then the ratio of magnetic induction at there centres will be August 11, 2020 Category: Chapter 23 - Magnetic Effects of [...]
Magnetic field due to 0.1A current flowing through a circular coil of radius 0.1 m and 1000 turns at the centre of the coil is
11
Aug
Magnetic field due to 0.1A current flowing through a circular coil of radius 0.1 m and 1000 turns at the centre of the coil 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 [...]
The magnetic field of a given length of wire carrying a current of a single turn circular coil at centre is B, then its value for two turns for the same wire when same current passing through it is
11
Aug
The magnetic field of a given length of wire carrying a current of a single turn circular coil at centre is B, then its value for two turns for the same wire when same current passing through it is August 11, 2020 Category: Chapter 23 - Magnetic Effects of Current and Moving Charges , NEET [...]
A long solenoid carrying a current produces a magnetic field B along its axis. If the current is doubled and the number of turns per cm is halved, the new vlaue of the magnetic field is
11
Aug
A long solenoid carrying a current produces a magnetic field B along its axis. If the current is doubled and the number of turns per cm is halved, the new vlaue of the magnetic field is August 11, 2020 Category: Chapter 23 - Magnetic Effects of Current and Moving Charges , NEET Last 32 Years [...]
The magnetic induction at a point P which is at the distance of 4cm from a long current carrying wire is 10^(3) .The field of induction at a distance 12cm from the current will be
11
Aug
The magnetic induction at a point P which is at the distance of 4cm from a long current carrying wire is 10^(3) .The field of induction at a distance 12cm from the current will be August 11, 2020 Category: Chapter 23 - Magnetic Effects of Current and Moving Charges , NEET Last 32 Years Solved [...]
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
11
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
11
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 - [...]