Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions)
The linear loop has an area of 5×10^−4 m^2 and a resistance of 2 Ω. The larger circular loop is fixed and has a radius of 0.1m. Both the loops are concentric and coplanner. The smaller loop is rotated with an angular velocity ω rad/s about its diameter. The magnetic flux with the smaller loop is
20
Oct
The linear loop has an area of 5×10^−4 m^2 and a resistance of 2 Ω. The larger circular loop is fixed and has a radius of 0.1m. Both the loops are concentric and coplanner. The smaller loop is rotated with an angular velocity ω rad/s about its diameter. The magnetic flux with the smaller loop [...]
In the space shown a non-uniform magnetic field B = B0 (1+x) (−kˆ) tesla is present. A closed loop of small resistance, placed in the xy plane is given velocity V0. The force due to magnetic field on the loop is
20
Oct
In the space shown a non-uniform magnetic field B = B0 (1+x) (−kˆ) tesla is present. A closed loop of small resistance, placed in the xy plane is given velocity V0. The force due to magnetic field on the loop is In the space shown a non-uniform magnetic field B = B0 (1+x) (−kˆ) tesla [...]
Figure shows a square loop of side 0.5 m and resistance 10 ohm. THe magnetic field has a magnitude B = 1.0 T . The work done in pulling the pulling the loop out of the field slowly and uniformly in 2.0 s is
20
Oct
Figure shows a square loop of side 0.5 m and resistance 10 ohm. THe magnetic field has a magnitude B = 1.0 T . The work done in pulling the pulling the loop out of the field slowly and uniformly in 2.0 s is An equilateral triangular loop ADC having some resistance is pulled with [...]
An equilateral triangular loop ADC having some resistance is pulled with a constant velocity v out of a uniform magnetic field directed into the paper (figure). At time t=0, side DC of the loop is at edge of the magnetic field. The induced current (i) versus time (t) graph will be as
19
Oct
An equilateral triangular loop ADC having some resistance is pulled with a constant velocity v out of a uniform magnetic field directed into the paper (figure). At time t=0, side DC of the loop is at edge of the magnetic field. The induced current (i) versus time (t) graph will be as An equilateral triangular [...]
In figure, there is conducting ring having resistance R placed in the plane of paper in a uniform magnetic field B0. If the rings is rotating in the plane of paper about an axis passing through point O and perpendicular to the plane of paper with constant angular speed ω in clockwise direction, then
19
Oct
In figure, there is conducting ring having resistance R placed in the plane of paper in a uniform magnetic field B0. If the rings is rotating in the plane of paper about an axis passing through point O and perpendicular to the plane of paper with constant angular speed ω in clockwise direction, then In [...]
A 0.1 m long conductor carrying a current of 50 A is perpendicular to a magnetic field of 1.25 mT. The mechanical power to move the conductor with a speed 1 m/s is
19
Oct
A 0.1 m long conductor carrying a current of 50 A is perpendicular to a magnetic field of 1.25 mT. The mechanical power to move the conductor with a speed 1 m/s is A 0.1 m long conductor carrying a current of 50 A is perpendicular to a magnetic field of 1.25 mT. The mechanical [...]
A conducting ring of radius r is rolling without slipping with a constant angular velocity ω (figure). If the magnetic field strength is B and is directed into the page then the emf induced across PQ is
19
Oct
A conducting ring of radius r is rolling without slipping with a constant angular velocity ω (figure). If the magnetic field strength is B and is directed into the page then the emf induced across PQ is then rod Q Two identical conductors P and Q are placed on two friction less rails R and [...]
A conducting wire xy of length l and mass m is sliding without friction on vertical conduction rails ab and cd as shown in figure. A uniform magnetic field B exists perpendicular to the plane of the rails, x moves with a constant velocity of
19
Oct
A conducting wire xy of length l and mass m is sliding without friction on vertical conduction rails ab and cd as shown in figure. A uniform magnetic field B exists perpendicular to the plane of the rails, x moves with a constant velocity of then rod Q Two identical conductors P and Q are [...]
Two identical conductors P and Q are placed on two friction less rails R and S in a uniform magnetic field directed into the plane. If P is moved in the direction shown in figure with a constant speed, then rod Q
19
Oct
Two identical conductors P and Q are placed on two friction less rails R and S in a uniform magnetic field directed into the plane. If P is moved in the direction shown in figure with a constant speed, then rod Q then rod Q Two identical conductors P and Q are placed on two [...]
Figure. shows three regions of magnetic field each of area A, and in each rigion, magnitude of mqagnetic field decreases rate α. If E→ is the induced electric field, then the value of the line ∮E .dr along the given loop is equal to
19
Oct
Figure. shows three regions of magnetic field each of area A, and in each rigion, magnitude of mqagnetic field decreases rate α. If E→ is the induced electric field, then the value of the line ∮E .dr along the given loop is equal to and in each rigion Figure. shows three regions of magnetic field [...]