Priyanka B Solutions for Chapter: Electricity, Exercise 14: Assignment-7

Why is series arrangement not found satisfactory for domestic lights?

Write symbols used in electric circuits to represent variable resistance.

Write symbol used in electric circuits to represent voltmeter.

An electric bulb is rated $220 \mathrm{V}$ and $100 \mathrm{W}$. When it is operated on $110 \mathrm{V}$, what will be the power consumed?

State two properties of a material, which make it suitable for making fuse wire.

Why is fuse wire always placed in the live wire of an electric circuit?

How does fuse wire protect an electric circuit?

Two fuse wires A and B of the same length are rated $15 \mathrm{A}$ and $5 \mathrm{A}$. Which amongst the A and B will be thicker and why?