Electricity and Magnetism
Science Solutions from Chapter -1 - Electricity and Magnetism
This chapter covers topics like magnets and magnetism, electromagnet, electric bell, earth as a magnet, electricity and its sources, effects of electricity, conductors and insulators of electricity, and electric circuit.
Practice Other Topics from Electricity and Magnetism
This topic discusses the irregular size and weak strength of natural and artificial magnets. It explains two properties of a magnet, which are attractive property and directive property. It also helps us understand the law of magnetism.
In this topic, we will learn about the electromagnet with the aid of figures. We will understand the working of it and its different shapes. We will understand why steel is not used for making electromagnets.
This topic discusses the use of electromagnet in electric bell. Electric bell has an electromagnet in it. It consists of a coil of wire wound on an iron piece. This coil acts as an electromagnet.
This topic discusses the existence of the earth’s magnetic field, earth’s magnetic south pole, and earth’s magnetic north pole. It helps us understand the earth’s magnetic declination and also explains it through a diagram.
In this topic, we will learn about electricity and its four main sources. It includes the electric cell, the mains, the generator, and the solar cell. It explains concepts related to dry cells and the advantage of dry cells.
This topic explains the importance and effects of electricity. It highlights various uses of electricity, such as the use of electricity to light our homes, to run fans, television, to run movies in the cinema hall, etc.
In this topic, conductors and insulators are explained in terms of the flow of electricity. It highlights some examples of conductors and insulators. It also consists of a table that lists divides various materials into conductors and insulators.
This topic explains the symbols used to represent electrical components in a circuit. It helps us draw electric circuit diagrams with the help of an activity. It discusses the arrangement and sequence of components in a circuit diagram.
In this topic, the series circuit and the parallel circuits are explained in detail. It highlights various activities to explain the property that if we switch on a tube light in a room, the other gadgets installed in the room are not disturbed.
This topic highlights some precautions that should be taken before the circuit is switched on. It explains we should see that all the components of the circuit are properly connected and conserve the electricity.
