Theme D. Fields
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D.1 Gravitational fields
Comparison of Gravitational force exerted on two moons by same planet
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Derive an expression of escape velocity in terms of field strength (for HL)
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Right statements about Newton's law of gravitation
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Weighlessness of Astronaut
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Gravitational pull of Earth on satellite (D.1)
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Position between Earth & Moon where net field strength is zero
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Comparing Time periods & Energies of two satellites (for HL)
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Definition of gravitational field strength
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Find fundamental unit of gravitational potential
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Find height where orbital velocity is half of escape velocity (for HL)
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find Gravitational field strength at some distance from earth
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Find ratio of orbital velocities of two satellites around different planets (for HL)
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Find orbital velocity at height equal to radius of Earth
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Work done on satellite to move from one orbit to other (for HL)
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Find gravitational field strength at surfaces of two planets
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Energy changes when a satellite is moved from one orbit to other (for HL)
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Ratio of gravitational field strengths at two positions
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comparison of escape velocities on Earth & Moon (for HL)
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Find orbital velocity in terms of escape velocity at certain height (for HL)
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Newton's law of gravitation graph
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Newton's law of gravitation & Newton's third law
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Gravitational potentials of two equipotential surfaces (for HL)
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Benifit of Newton's law of gravitation
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Equipotential surface, gravitational potential & energy (for HL)
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Energies of two satellites in different orbits (for HL)
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Ratio of escape speeds at surfaces of Moon and Earth (for HL)
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Gravitational potential & work done (for HL)
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Find position where two field strengths are equal
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Comparison of escape speeds of two planets (for HL)
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Calculate weight and Graviatational Potential Energy (for HL)
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D.2 Electric and magnetic fields
Find direction of resultant electric field strength due to three charges
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A particle of mass ''m'' is in equilibrium in electric field
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Determine direction of Electric field and electric force
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Analysis of Electric potential and distance graph
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Find Electric field strength and Potential between 4 charges
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Find ratio of two charges (a charge is placed between two similiar charges)
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Find direction of electric force due to 4 charges at a point
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Find charge quantity in uniform electric field
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Calculate magnitude of Electric field strength & force
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Work done on charge and its acceleration (for HL)
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Use of magnetic field lines
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Find change in potential in uniform electric field
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Find Resultant field strength between two opposite charges
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Electric force & Equipotential surface (for HL)
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Calculate work on charge in uniform Electric field
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Electric field strength vs distance graph
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Gain in kinetic energy & work done on charge (for HL)
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Work done on charge in uniform electric field (for HL)
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Change in electric potential energy (for HL)
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Charge to mass ratio of different charges
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Charge in equilibrium in electric field
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Coulomb's law (change in force when distance is increased)
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A charge is thrown in electric field
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Electric field strength as a potential gradient (for HL)
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Find equivalent Electric potential due to four charges (for HL)
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Derive velocity using Coulomb's force between electron and nucleus
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Trajectory of electron in electric field
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Work done on charge & Equipotential surface (for HL)
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Identify correct pattern of electric field
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Gradient of Potential - distance graph (for HL)
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Change in Kinetic Energy of Alpha particle in electric field (for HL )
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Electric field and Electric Potential (for HL)
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Electric field between two charges (No field region)
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D.3 Motion in electromagnetic fields
Magnetic force exerted on wire when it is rotated in a plane
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Electric and magnetic field applied in a region and charge is placed
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Current carrying coil in a magnetic field (working of Motor)
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Magnetic Force vs time graph when current carrying coil is placed in mag field
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Effect on radius of current carrying coil placed in magnetic field
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A charge is placed in solenoid where magnetic field is uniform
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Magnetic force exerted on electron due to field produced by current wire
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Magnetic force behaving as a centripetal force
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Magnetic field pattern when two current carrying wires are placed parallel
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Visualization of magnetic force exerted on current carrying wire by external field
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Determining direction of magnetic force on an electron in magnetic field
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Mutual force between two current carrying wires
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Force on current carrying wire by Earth's mag field
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Calculate amount of current when wire placed in mag field
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Speed at which charge go undeflected (velocity selector)
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Reason why magnetic force exert in specific direction
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Determine direction of magnetic force
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In which direction charge will deflect?
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Find direction of resultant magnetic field due to two current wires
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Magnetic force behaving as a centripetal force
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Find direction of resultant magnetic field due to two wires
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Alpha and electron thrown in magnetic field
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Magnetic force applied on current carrying coil
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D.4 Induction (for HL)
Draw induced emf - time graph from flux-time graph
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Moving charge in falling conductor in magnetic field & Lenz's law
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Find speed of conducting bar (motional emf problem)
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Calculate induced emf using Faraday's law
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Lenz's law & law of conservation of energy
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Draw induced current - time graph
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Identify correct Induced emf - time graph
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Emf & flux-time graph
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Determine direction of current using Lenz's law
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In what direction current is induced when placed closed to another coil
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Draw Induced emf vs time graph
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How the field & emf in induced by one coil by other attched with battery
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EMF-time graph when rectangular coil is passed through magnetic field
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Find induced emf when a coil is rotated by 180 degrees
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