Chapter 23 – Magnetic Effects of Current and Moving Charges
Sahay Sir > Question Answers > AIIMS Last 24 Years Solved 1996 - 2019 Physics and Chemistry Video Solutions > Physics > Chapter 23 - Magnetic Effects of Current and Moving Charges
The cyclotron frequency of an electron gyrating in a magnetic field of 1 T is approximately
18
Nov
The cyclotron frequency of an electron gyrating in a magnetic field of 1 T is approximately The cyclotron frequency of an electron gyrating in a magnetic field of 1 T is approximately November 18, 2021 Category: AIIMS Last 24 Years Solved 1996 - 2019 Physics and Chemistry Video Solutions , Chapter 23 - Magnetic Effects [...]
The magnetic moment of a current (I) carrying circular coil of radius (r) and number of turns (n) varies as
18
Nov
The magnetic moment of a current (I) carrying circular coil of radius (r) and number of turns (n) varies as The magnetic moment of a current (I) carrying circular coil of radius (r) and number of turns (n) varies as November 18, 2021 Category: AIIMS Last 24 Years Solved 1996 - 2019 Physics and Chemistry [...]
The magnetic field due to a straight conductor of uniform cross‐section of radius a and carrying a steady current is represented by
18
Nov
The magnetic field due to a straight conductor of uniform cross‐section of radius a and carrying a steady current is represented by The magnetic field due to a straight conductor of uniform cross‐section of radius a and carrying a steady current is represented by November 18, 2021 Category: AIIMS Last 24 Years Solved 1996 - [...]
A circular coil of radius R carries an electric current. The magnetic field due to the coil at a point on the axis of the coil located at a distance r from the center of the coil, such that r>>R, varies as
18
Nov
A circular coil of radius R carries an electric current. The magnetic field due to the coil at a point on the axis of the coil located at a distance r from the center of the coil, such that r>>R, varies as A circular coil of radius R carries an electric current. The magnetic field [...]
An electron is travelling along the x-direction. It encounters a magnetic field in the y-direction. Its subsequent motion will be
18
Nov
An electron is travelling along the x-direction. It encounters a magnetic field in the y-direction. Its subsequent motion will be An electron is travelling along the x- direction. it encounters a magnetic field in the y- direction. its subsequent motion will be November 18, 2021 Category: AIIMS Last 24 Years Solved 1996 - 2019 Physics [...]
A rectangular loop carrying a current i1 , is situated near a long straight wire carrying a steady current i2. The wire is parallel to one of the sides of the loop and is in the plane of the loop as shown in the figure. Then the current loop will
18
Nov
A rectangular loop carrying a current i1 , is situated near a long straight wire carrying a steady current i2. The wire is parallel to one of the sides of the loop and is in the plane of the loop as shown in the figure. Then the current loop will A galvanometer can be changed [...]
The earth’s magnetic field at a given point is 0.5 ×10^−5 Wb/m^2. This field is to be annulled by magnetic induction at the center of a circular conducting loop of radius 5.0 cm. The current required to be flown in the loop is nearly
18
Nov
The earth’s magnetic field at a given point is 0.5 ×10^−5 Wb/m^2. This field is to be annulled by magnetic induction at the center of a circular conducting loop of radius 5.0 cm. The current required to be flown in the loop is nearly A galvanometer can be changed into an ammeter by providing November [...]
A wire of length l carries a steady current. It is bent first to form a circular plane loop of one turn. The magnetic field at the centre of the loop is B. The same length is now bent more sharply to give a double loop of smaller radius. The magnetic field at the centre caused by the same is
18
Nov
A wire of length l carries a steady current. It is bent first to form a circular plane loop of one turn. The magnetic field at the centre of the loop is B. The same length is now bent more sharply to give a double loop of smaller radius. The magnetic field at the centre [...]
What should be the amount of current through the ring of radius 5 cm so that magnetic field at its centre is 7×10^−5 Wb/m^2 is
18
Nov
What should be the amount of current through the ring of radius 5 cm so that magnetic field at its centre is 7×10^−5 Wb/m^2 is What should be the amount of current through the ring of radius 5 cm so that magnetic field at its centre is 7×10^−5 Wb/m^2 is November 18, 2021 Category: AIIMS [...]
A moving coil galvanometer has a resistance of 900Ω. In order to send only 10% of the main current through this galvanometer, the resistance of the required shunt is
18
Nov
A moving coil galvanometer has a resistance of 900Ω. In order to send only 10% of the main current through this galvanometer, the resistance of the required shunt is A moving coil galvanometer has a resistance of 900Ω. In order to send only 10% of the main current through this galvanometer the resistance of the [...]