Concept First Physics and Math Learning Centre In Singapore

# Uncategorized

November 24, 2021

## 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…