Electricity Class 8 ICSE Physics | Selina Chapter 8 | Household Electricity #1

Electricity Chapter 7 Class 8 Physics ICSE

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Electricity Chapter 7 Class 8 Physics ICSE

Timestamps:
0:00 Introduction
0:57 Household Electricity
1:26 Sources of Electricity
2:43 Types of Current
4:38 Electric Energy and Power consumed in Circuit
14:45 Transmission of power from the power generating station to the consumer
19:00 Supply of power to a House
20:56 Colour Coding of wires
22:35 Connection from pole to distribution board
20:51 Commercial Unit of Electrical Energy
29:50 Electric Meter
33:54 Electric Fuse
41:02 Miniature Circuit Breaker
42:43 Household Electric Circuits
50:10 Electric Circuit in a Room
51:25 Earthing of the Appliances
53:07 Power rating of Appliances
55:51 Household consumption of Electric Energy
58:33 Hazards of Electricity
1:00:48 ICSE Question
1:02:49 ICSE Question
1:04:51 ICSE Question

Electricity Class 8 ICSE Physics | Electricity ICSE Physics Class 8 | Electricity Class 8 ICSE Selina | Electricity ICSE Notes | Electricity Class 8 ICSE Online Tests | Household Electricity | Sources of Electricity | Electric Energy and Power consumed in Circuit | Supply of power to a House | Electric Meter | Electric Fuse | Miniature Circuit Breaker | Household Electric Circuits | Earthing of the Appliances | Power rating of Appliances | Household consumption of Electric Energy | Hazards of Electricity | Electricity Physics Class 8 ICSE DPPs | Physics 8 ICSE Selina| goyal | dalal | Energy

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[ShreyaBose-kj]

00:02 Introduction to household electricity in ICSE Physics
01:08 Understanding household electricity usage
03:01 Direct and Alternating Current explained
04:12 Understanding the concept of polarity in electricity
06:11 Understanding the movement of electrons from cathode to anode and the direction of current flow
07:10 Understanding potential difference in electricity flow
09:17 Understanding Current and its Units
10:22 Understanding the flow of current through a circuit using potential difference
12:33 Understanding Electrical Energy Flow in Circuits
13:43 Understanding the formula for power in electricity
15:39 Understanding alternating current frequency
16:27 Electricity is generated at the power generating station and then transmitted to the grid substation.
18:26 Electricity is transmitted from power stations to consumers.
19:20 Understanding overhead and underground cables for household electricity
21:11 Understanding the roles of live, neutral, and earth wires in household electricity.
22:04 Importance of proper earthing in preventing electric shocks.
23:42 Understanding the role of the electric meter and main switch in managing household electricity usage.
24:27 Understanding the role of a fuse in protecting electrical circuits
26:06 Importance of Earth Wire in Appliances
26:53 Commercial units of electricity measure the amount of energy consumed.
28:43 1 kilowatt hour is equal to 3.6 * 10^6 joules
29:54 Introduction to Digital Electricity Meters
31:37 Measuring the movement of electricity in a meter using small dials
32:36 Transition from electrical meters to electronic meters for better accuracy
34:26 Understanding the need for limiting current in household circuits
35:19 Importance of using a fuse in electrical circuits
37:06 Understanding the concept of fuse wire in household electricity
37:54 Importance of Fuse Wire in Electrical Circuits
39:35 Importance of fuses in preventing electrical hazards
40:23 Selecting the right wire thickness depends on current rating
42:04 Understanding the automatic switch's role in managing excessive current and high voltage.
42:50 Understanding the concept of series connection in household electricity
44:39 Understanding how bulbs are connected in a circuit
45:36 Importance of a continuous connection for proper functioning of a bulb
47:45 Understanding the concept of completing circuits.
48:49 Understanding series and parallel combinations of lights on Diwali.
50:25 Understanding the connection of live wire with appliances
51:19 Understanding the concept of wires in electrical circuits
53:00 Understanding power ratings and voltage of appliances
53:55 Understanding power consumption in electrical appliances
55:57 Understanding power, voltage, and safe limits for electrical appliances.
56:59 Understanding electricity usage in terms of kilowatt-hours and cost
58:57 Preventing Overloading and Short Circuits in Household Circuits
59:50 Understanding the risks of electric shock during electrical contact
1:01:43 Calculation of electrical energy consumption
1:02:51 Understanding power ratings and safe current
1:04:52 Questions [Numericals]

[chandrikadoshi]

Thank you soo much mam...for a perfect explanation!🙏🏻✨