9 interactive labs · IGCSE Physics 0625
· Plot the field around magnets, a wire and a solenoid with a compass, then find the neutral point and reverse the current.
Plot the field around magnets, a wire and a solenoid with a compass, then find the neutral point and reverse the current.
You will be able to
· Vary the p.d. across a resistor, a filament lamp and a diode, record I and V, and compare the shapes of their graphs.
Vary the p.d. across a resistor, a filament lamp and a diode, record I and V, and compare the shapes of their graphs.
You will be able to
· Slide a crocodile clip along a wire on a metre rule, record V and I, and see how length, thickness and material set its resistance.
Slide a crocodile clip along a wire on a metre rule, record V and I, and see how length, thickness and material set its resistance.
You will be able to
· Build series, parallel and mixed lamp circuits, read every ammeter and voltmeter, and unscrew lamps to see what happens.
Build series, parallel and mixed lamp circuits, read every ammeter and voltmeter, and unscrew lamps to see what happens.
You will be able to
· Share a supply p.d. between two resistors, then swap in an LDR or thermistor to build a streetlight and a fire alarm.
Share a supply p.d. between two resistors, then swap in an LDR or thermistor to build a streetlight and a fire alarm.
You will be able to
· Plug in an appliance, choose its fuse, trigger a fault and work out what an hour of use really costs.
Plug in an appliance, choose its fuse, trigger a fault and work out what an hour of use really costs.
You will be able to
· Push a magnet into a coil and watch the galvanometer, then spin a coil between magnetic poles to generate a.c.
Push a magnet into a coil and watch the galvanometer, then spin a coil between magnetic poles to generate a.c.
You will be able to
· Reverse the current or the field and predict which way a wire is pushed, then build up to a spinning d.c. motor.
Reverse the current or the field and predict which way a wire is pushed, then build up to a spinning d.c. motor.
You will be able to
· Choose the turns on a transformer to step voltages up or down, then use it to cut the power wasted in the grid.
Choose the turns on a transformer to step voltages up or down, then use it to cut the power wasted in the grid.
You will be able to
