Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions)
Consider a coaxial cable which consists of an inner wire of radius a surrounded by an outer shell of inner and outer radii b and c respectively. The inner wire carries an electric current i0 and the outer shell carries an equal current in opposite direction. Find the magnetic field at a distance x from the axis where (a) x < a, (b) a < x < b,
06
Sep
Consider a coaxial cable which consists of an inner wire of radius a surrounded by an outer shell of inner and outer radii b and c respectively. The inner wire carries an electric current i0 and the outer shell carries an equal current in opposite direction. Find the magnetic field at a distance x from [...]
Eight wires cut the page perpendicularly at the points shown in figure . A wire labeled with the integer n(n = 1,2…..8 carries the current ni, where i = 4A . For those wires with odd k, the current is out of the page
06
Sep
Eight wires cut the page perpendicularly at the points shown in figure . A wire labeled with the integer n(n = 1,2…..8 carries the current ni, where i = 4A . For those wires with odd k, the current is out of the page 2…..8 carries the current ni Eight wires cut the page perpendicularly [...]
In the figure shown two closed paths wrapped around two conducting loops carrying currents i1 = 8.0A and i2 = 5.0A . What is the value of the integal
06
Sep
In the figure shown two closed paths wrapped around two conducting loops carrying currents i1 = 8.0A and i2 = 5.0A . What is the value of the integal In the figure shown two closed paths wrapped around two conducting loops carrying currents i1 = 8.0A and i2 = 5.0A . What is the value [...]
Wire 1 in Fig is oriented along the y-axis and carries a steady current I1. A rectangular loop located to right of the wire and in the x-y plane carries a current I1. Find the magnetic force exerted by wire (1) on the top wire (1) on the top wire of length b in the loop,
05
Sep
Wire 1 in Fig is oriented along the y-axis and carries a steady current I1. A rectangular loop located to right of the wire and in the x-y plane carries a current I1. Find the magnetic force exerted by wire (1) on the top wire (1) on the top wire of length b in the [...]
Two infinitely long, parallel wires are lying on the ground at distance a = 1 cm apart as shown in Fig (a) A third wire, of length L = 10 m and mass 400g, carries a current of I1 = 100A and is levitated above the first two wires,
05
Sep
Two infinitely long, parallel wires are lying on the ground at distance a = 1 cm apart as shown in Fig (a) A third wire, of length L = 10 m and mass 400g, carries a current of I1 = 100A and is levitated above the first two wires, carries a current of I1 = [...]
Two parallel horizontal conductors are suspended by two light vertical threads each 75 cm long. Each conductor has a mass of 40 g m^-1 and when there is no current they are 0.5 cm apart. Equal current in the two wires result in a
05
Sep
Two parallel horizontal conductors are suspended by two light vertical threads each 75 cm long. Each conductor has a mass of 40 g m^-1 and when there is no current they are 0.5 cm apart. Equal current in the two wires result in a A long straight rigid wire carrying a current is kept co-axially [...]
A metal disc of radius a = 25 cm rotates with a constant angular velocity ω = 130 rad/s about its axis. Find the potential difference between the centre and the rim of the disc if (a) the external magnetic field is absent; (b) the external uniform magnetic field of induction B = 5.0 mT is directed perpendicular to the disc.Read more on Sarthaks.com – https://www.sarthaks.com/215513/a-metal-disc-of-radius-25-cm-rotates-with-constant-angular-velocity-130-rad-s-about-its-axis
05
Sep
A metal disc of radius a = 25 cm rotates with a constant angular velocity ω = 130 rad/s about its axis. Find the potential difference between the centre and the rim of the disc if (a) the external magnetic field is absent; (b) the external uniform magnetic field of induction B = 5.0 mT [...]
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A conducting rod of length l slides at constant velocity v on two parallel conducting rails ,
A square loop of side l having resistance R moves with constant velocity v ,
A straight horizontal conductor of length l ,
and mass_ m slides down on two smooth conducting fixed parallel rails ,
set inclined at an angle theta to the horizontal as shown in figure The top end of the bar are connected with a capacitor of capacitance C. The system is placed in a uniform magnetic field ,
Twelve wires of equal lengths are connected in the form of skelton cube which is moving with a velocity v in the direction of magnetic field B.find the emf in each arm of cube. ,
Two long parallel horizontal rails a ,
Two long parallel wires carry currents of equal magnitude but in opposite directions. These wires are suspended from rod PQ by four chords of same length L as shown in figure . The mass per unit length of the wires
05
Sep
Two long parallel wires carry currents of equal magnitude but in opposite directions. These wires are suspended from rod PQ by four chords of same length L as shown in figure . The mass per unit length of the wires A long straight rigid wire carrying a current is kept co-axially with the current carrying [...]
A wire is in the form of a semicircle of radius r. One end is attached to an axis about which it rotates with an angular speed ω. The axis is normal to the plane of the semicircle. The wire is immersed in a uniform magnetic field B parallel to the axis. find the induced emf between points o and P of the semicircle.
05
Sep
A wire is in the form of a semicircle of radius r. One end is attached to an axis about which it rotates with an angular speed ω. The axis is normal to the plane of the semicircle. The wire is immersed in a uniform magnetic field B parallel to the axis. find the induced [...]
Tags:
A conducting rod of length l slides at constant velocity v on two parallel conducting rails ,
A square loop of side l having resistance R moves with constant velocity v ,
A straight horizontal conductor of length l ,
and mass_ m slides down on two smooth conducting fixed parallel rails ,
set inclined at an angle theta to the horizontal as shown in figure The top end of the bar are connected with a capacitor of capacitance C. The system is placed in a uniform magnetic field ,
Twelve wires of equal lengths are connected in the form of skelton cube which is moving with a velocity v in the direction of magnetic field B.find the emf in each arm of cube. ,
Two long parallel horizontal rails a ,
A straight conductor of length r0 carrying a current i is placed perpendicular to a long straight conductor which carries a current i0 as shown in the figure. Find the force of interaction between them.
05
Sep
A straight conductor of length r0 carrying a current i is placed perpendicular to a long straight conductor which carries a current i0 as shown in the figure. Find the force of interaction between them. A long straight rigid wire carrying a current is kept co-axially with the current carrying long thin plane which is [...]