Solution for S Chand Physics Class 10th Page Number 58 and 59 of Chapter 1 Electricity:

Introduction:
In this chapter, we will learn about the concepts of electricity, electric current, and electric circuits. We will also learn about the different components of an electric circuit and their properties.

Electric Current:
Electric current is defined as the rate of flow of electric charge through a conductor. The SI unit of electric current is ampere (A). The direction of electric current is taken as the direction of flow of positive charges.

Electric Circuits:
An electric circuit is a complete path through which electric current can flow. It consists of a source of electric energy, a load, and connecting wires. The source of electric energy can be a battery or a generator, and the load can be a bulb or any other electrical device that consumes electric energy.

Electric Components:
Electric components are different devices that are used in an electric circuit to control the flow of electric current. The different components are:

1. Resistor:
A resistor is a device that opposes the flow of electric current. It is used to control the amount of current flowing in a circuit. The SI unit of resistance is ohm (Ω).

2. Capacitor:
A capacitor is a device that stores electric charge. It is used to control the voltage in a circuit. The SI unit of capacitance is farad (F).

3. Inductor:
An inductor is a device that stores energy in a magnetic field. It is used to control the current in a circuit. The SI unit of inductance is henry (H).

4. Diode:
A diode is a device that allows electric current to flow in only one direction. It is used to control the direction of current flow in a circuit.

Conclusion:
In conclusion, we have learned about the concepts of electric current and electric circuits. We have also learned about the different components of an electric circuit and their properties. The knowledge of these concepts is important for understanding the working of various electrical devices and appliances.

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