Daily Practice - GCSE Science
Biology, chemistry and physics recall, definition and calculation, drawn from every strand.
5th October 2024
- 1The Electromagnetic Spectrum
Name the type of electromagnetic wave used to treat cancer by killing cells in a tumour, and state which part of the atom emits it.
- 2Magnetism and Electromagnetism
Explain why a compass needle placed just outside one end of a current-carrying solenoid lines up parallel to the solenoid's axis.
- 3Magnetism and the Motor Effect
In a simple d.c. electric motor, state the name and function of the component that reverses the current in the coil every half turn.
- 4Electromagnetic Induction and Transformers
A transformer has 500 turns on its primary coil and 2500 turns on its secondary coil. State, with a reason, whether this is a step-up or a step-down transformer.
- 5Space Physics
State what happens to the orbital speed needed for a stable orbit as the orbital radius increases.
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