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Unit: Electricity (Hindi)

Electric current & circuit (Hindi)

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Intro to charge (Hindi)
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Unit of charge and electrons in a Coulomb (Hindi)
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Intro to current & Amperes (Hindi)
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Practice
Finding electric current
4 questions

Electric potential & potential difference (Hindi)

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Intro to voltage (& potential difference) (Hindi)
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Solved example Potential difference & work done (Hindi)
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Practice
Voltage and work
4 questions

Circuits, Ohm's law & resistance (Hindi)

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Introduction to circuits and Ohm's law (Hindi)
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Solved example: Ohms law (Hindi)
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Ohm's law graph (verifying Ohm's law) (Hindi)
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Solved example Ohm's law graph (Hindi)
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Factors on which resistance of a conductor depends on (Hindi)

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Resistivity and conductivity (Hindi)
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Series and parallel resistors (Hindi)

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Identifying resistors in series and parallel (Hindi)
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Equivalent resistance in series circuit (Hindi)
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Equivalent resistance in parallel circuit (Hindi)
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Practice
Finding equivalent resistance
4 questions
Identifying types of resistor combinations
4 questions

Solving a circuit with series and parallel resistors (Hindi)

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Simplifying resistor networks - Solved example (Hindi)
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Finding current & voltage in a circuit- Solved example (Hindi)
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Practice
Simplifying resistor networks
4 questions
Finding currents and voltages (pure circuits)
4 questions

Electric power and heating effect of current (Hindi)

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Electric power & energy (Hindi)
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Heating effect of current (Hindi)
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Calculating power & heat dissipated - Solved example (Hindi)
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Practice
Calculating heat dissipated in circuits
4 questions

Electric circuit with Bulbs (Hindi)

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Power dissipated in bulbs: Solved example (Hindi)
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Practice
Bulbs connected in series or parallel
4 questions

Commercial unit of electrical energy (Hindi)

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Commercial unit of electrical energy (Hindi)
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Cost of operation of electrical device - Solved example (Hindi)
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About this unit

We can't imagine our lives without electricity. But what exactly is electricity? How does electricity light up our houses? What does a battery do? What is the cost of electricity? We will answer all these questions in this chapter.