EASY
KCET (UG)
IMPORTANT
Earn 100
A strong magnetic field is applied on a stationary electron. Then the electron
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Important Questions on Magnetic Effect of Current
EASY
KCET (UG)
IMPORTANT
A tightly wound long solenoid has turns per unit length, a radius and carries a current . A particle having charge and mass is projected from a point on the axis in a direction perpendicular to the axis. The maximum speed of the particle for which the particle does not strike the solenoid is
EASY
KCET (UG)
IMPORTANT
A cyclotron is used to accelerate protons , Deuterons and - particles . While exiting under similar conditions, the minimum K.E. is gained by
EASY
KCET (UG)
IMPORTANT
In a cyclotron a charged particle
HARD
KCET (UG)
IMPORTANT
A cyclotron's oscillator frequency is and the operating magnetic field is . If the radius of its dees is , then the kinetic energy of the proton beam produced by the accelerator is
MEDIUM
KCET (UG)
IMPORTANT
In the given figure, the magnetic field at .
MEDIUM
KCET (UG)
IMPORTANT
A small current element of length and carrying current is placed at (1, 1, 0) and is carrying current in '+ z' direction. If magnetic field at origin be and at point (2, 2, 0) be then:
EASY
KCET (UG)
IMPORTANT
The correct Biot-Savart's law in vector form is
MEDIUM
KCET (UG)
IMPORTANT
Two long straight parallel wires are a distance apart. They carry steady equal currents flowing out of the plane of the paper. The variation of magnetic field along the line ' is given by
