Household Electrification

IMPORTANT

Household Electrification: Overview

This Topic covers sub-topics such as Electricity Meter, Rectifier, Earth Wire, Domestic Electric Circuit, Live Wire, Commercial Unit of Energy, One Kilowatt Hour, Neutral Wire, Main Box and, Three Pin Plug and Earthing

Important Questions on Household Electrification

EASY
IMPORTANT

Why circuit symbols used in electrical circuits?

EASY
IMPORTANT

What is rectifier? What are the types of it?

EASY
IMPORTANT

What does watt and kilowatt means? Calculate.

EASY
IMPORTANT

How many kWh is one unit?

MEDIUM
IMPORTANT

Write down the definition of one-kilowatt-hour.

MEDIUM
IMPORTANT

Calculate one kilo watt hour.

HARD
IMPORTANT

How much energy is consumed by the power consumption of 1 kW during 1 hour?

EASY
IMPORTANT

Explain the working mechanism of MCB with diagram.

EASY
IMPORTANT

Explain the working mechanism of MCB.

EASY
IMPORTANT

What is an MCB. Write a short note on it.

EASY
IMPORTANT

Components of the main-box are a fuse box and a _____.

EASY
IMPORTANT

Components of the main-box are a fuse box and a meter.

EASY
IMPORTANT

The first stage of the domestic circuit is to bring the power supply to the main-box from a distribution panel.

EASY
IMPORTANT

What are the important components of the main-box?

EASY
IMPORTANT

At the time of the short circuit, the current in the circuit_____________.

EASY
IMPORTANT

If the live wire and neutral wire come in contact either directly or via conducting wire, then it is called _____.

EASY
IMPORTANT

The most important safety device used for protecting electrical appliances from short-circuiting or overloading is ____________.

EASY
IMPORTANT

At the time of short circuit, the current in the circuit

EASY
IMPORTANT

The melting point of the wire used in the heater element is high while a _____wire has a low melting point.

EASY
IMPORTANT

A certain household has consumed 250 units of energy during a month. How much energy is this in joules?