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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 [...]
A block of mass m tied to a string is lowered by a distance d, at a constant acceleration of g/3. The work done by the string is
19
Oct
A block of mass m tied to a string is lowered by a distance d, at a constant acceleration of g/3. The work done by the string is A block of mass m tied to a string is lowered by a distance d at a constant acceleration of g/3. The work done by the string [...]
A block of mass m is hung vertically from an elastic thread of force constant mg/a. Initially the thread was at its natural length and the block is allowed to fall freely. Kinetic energy of the block when it passes through the equilibrium position will be
19
Oct
A block of mass m is hung vertically from an elastic thread of force constant mg/a. Initially the thread was at its natural length and the block is allowed to fall freely. Kinetic energy of the block when it passes through the equilibrium position will be A block of mass m is suspended by a [...]
F=2x^2−3x−2 . Choose correct option.
19
Oct
F=2x^2−3x−2 . Choose correct option. F=2x^2−3x−2 . Choose correct option. October 19, 2020 Category: Arihant Physics by D.C Pandey , Chapter 6 - Work, Energy and Power , Volume 2 ,
The potential energy of the system is represented in the first figure. The force acting on the system will be represented by
19
Oct
The potential energy of the system is represented in the first figure. The force acting on the system will be represented by The potential energy of the system is represented in the first figure. The force acting on the system will be represented by October 19, 2020 Category: Arihant Physics by D.C Pandey , Chapter [...]
A block of mass 250 g is kept on a vertical spring of spring constant 100 N/m fixed from below. The spring is now compressed to have length 10 cm shorter than its natural length and the system is released from this position. How high does the block rise? take g=10ms2^.
19
Oct
A block of mass 250 g is kept on a vertical spring of spring constant 100 N/m fixed from below. The spring is now compressed to have length 10 cm shorter than its natural length and the system is released from this position. How high does the block rise? take g=10ms2^. A block of mass [...]
A block of mass 50 kg is projected horizontal on a rough horizontal floor. The coefficient of friction between the block and the floor is 0.1. The block strikes a light spring of stiffness k=100 N/m with a velocity 2m/s, the maximum compression of the spring is
19
Oct
A block of mass 50 kg is projected horizontal on a rough horizontal floor. The coefficient of friction between the block and the floor is 0.1. The block strikes a light spring of stiffness k=100 N/m with a velocity 2m/s, the maximum compression of the spring is A block of mass m is suspended by [...]
Force acting on a block moving along x-axis is given by F=−(4x^2+2)N The block is displaced from x=−2m to x=+4m, the work done will be
19
Oct
Force acting on a block moving along x-axis is given by F=−(4x^2+2)N The block is displaced from x=−2m to x=+4m, the work done will be Force acting on a block moving along x-axis is given by F=−(4x^2+2)N The block is displaced from x=−2m to x=+4m the work done will be............ October 19, 2020 Category: Arihant [...]