Jhara Roy Solutions for Chapter: Electric Current and Its Effects, Exercise 4: FORMATIVE ASSESSMENT

Author:Jhara Roy

Jhara Roy Science Solutions for Exercise - Jhara Roy Solutions for Chapter: Electric Current and Its Effects, Exercise 4: FORMATIVE ASSESSMENT

Attempt the practice questions on Chapter 14: Electric Current and Its Effects, Exercise 4: FORMATIVE ASSESSMENT with hints and solutions to strengthen your understanding. Interactive Science 7 solutions are prepared by Experienced Embibe Experts.

Questions from Jhara Roy Solutions for Chapter: Electric Current and Its Effects, Exercise 4: FORMATIVE ASSESSMENT with Hints & Solutions

MEDIUM
7th CBSE
IMPORTANT
Interactive Science 7>Chapter 14 - Electric Current and Its Effects>FORMATIVE ASSESSMENT>Q 1

Why is copper used in making connecting wires?

MEDIUM
7th CBSE
IMPORTANT
Interactive Science 7>Chapter 14 - Electric Current and Its Effects>FORMATIVE ASSESSMENT>Q 2

Heating effects of currents can be used in heaters and immersion rods. Think of the situations where this effect results in wastage of energy.

HARD
7th CBSE
IMPORTANT
Interactive Science 7>Chapter 14 - Electric Current and Its Effects>FORMATIVE ASSESSMENT>Q 3

Why don't we use a fuse in circuits containing electrical cells?