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Chapter 22 – Electromagnetic Induction
1. Describe an experiment to demonstrate electromagnetic induction. Explain the principles behind the phenomena. What variations in your experiment can you include…
Chapter 21 – Electromagnetism
1. In an electromagnet, adjusting the variable resistor alters the size of the current. Explain the effect on the strength of the…
Chapter 20 – Magnetism
1. State the properties of a magnet. A magnet can attract another magnetic material such as iron, steel, cobalt and nickel. A…
Chapter 19 – Practical Electricity
1. Explain why the metal case of electrical equipment which is operated from the mains supply should be earthed. If the live…
Chapter 18 – D.C. Circuits
1. Explain why electric lights in a building are connected in parallel rather than in series. When the bulbs are connected in…
Chapter 17 – Current Electricity
1. Describe an experiment to determine the resistance of a resistor. Set up the apparatus as show in the diagram above. Adjust…
Chapter 16 – Static Electricity
1. How does an ebonite rod become negatively charged when it is rubbed with a duster? What is the charge of the…
Chapter 15 – Sound
1. Describe how a vibrating object produces sound waves. (2 marks) Sound is produced by vibrating sources placed in a medium. When…
Chapter 14 – Electromagnetic Wave
Cchapter 14 Electromagnetic Wave 1. State the properties which are common to all forms of electromagnetic radiation. All are transverse waves. All…
Chapter 13 – Waves
1. A transverse wave can be demonstrated using a rope. Describe how the hand must move to make a transverse wave of…