Daily Practice · GCSE Science

Daily Practice - GCSE Science

5th April 1999

5 questions · GCSE · 584 questions in this band

1
Magnetism 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.
2
Magnetism 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.
3
Electromagnetic 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.
4
Space Physics
State what happens to the orbital speed needed for a stable orbit as the orbital radius increases.
5
The Solar System, Orbital Motion and Satellites
State one difference between a moon and an artificial satellite.

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