Subject Experts Solutions for Chapter: Chemical Effects of Electric Current, Exercise 1: NUT Cracker

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Subject Experts Science Solutions for Exercise - Subject Experts Solutions for Chapter: Chemical Effects of Electric Current, Exercise 1: NUT Cracker

Attempt the practice questions on Chapter 14: Chemical Effects of Electric Current, Exercise 1: NUT Cracker with hints and solutions to strengthen your understanding. Study Mate Science Class 8 solutions are prepared by Experienced Embibe Experts.

Questions from Subject Experts Solutions for Chapter: Chemical Effects of Electric Current, Exercise 1: NUT Cracker with Hints & Solutions

MEDIUM
8th CBSE
IMPORTANT
Study Mate Science Class 8>Chapter 14 - Chemical Effects of Electric Current>NUT Cracker>Q 3

Define insulators.

MEDIUM
8th CBSE
IMPORTANT
Study Mate Science Class 8>Chapter 14 - Chemical Effects of Electric Current>NUT Cracker>Q 4

What is a good conductor?

MEDIUM
8th CBSE
IMPORTANT
Study Mate Science Class 8>Chapter 14 - Chemical Effects of Electric Current>NUT Cracker>Q 5

What is an LED? 

EASY
8th CBSE
IMPORTANT
Study Mate Science Class 8>Chapter 14 - Chemical Effects of Electric Current>NUT Cracker>Q 6

What is a poor conductor?

MEDIUM
8th CBSE
IMPORTANT
Study Mate Science Class 8>Chapter 14 - Chemical Effects of Electric Current>NUT Cracker>Q I

In which of the following figures will the conduction tester show deflection?
 

  

 

MEDIUM
8th CBSE
IMPORTANT
Study Mate Science Class 8>Chapter 14 - Chemical Effects of Electric Current>NUT Cracker>Q 1

Why do the free ends of a tester not conduct electricity?
 

MEDIUM
8th CBSE
IMPORTANT
Study Mate Science Class 8>Chapter 14 - Chemical Effects of Electric Current>NUT Cracker>Q 2

Seawater deflects the compass needle more than drinking water does. Why?

MEDIUM
8th CBSE
IMPORTANT
Study Mate Science Class 8>Chapter 14 - Chemical Effects of Electric Current>NUT Cracker>Q 3

Why should electrical repairs not be carried out during a heavy downpour?