Contents

Copper wire is a………………….
a) Good
 conductor      
b) Poor conductor
c) Both a and b                       
d) None of these

a

Poor conductors are………………
a) Plastics                    
b) Clothes
c) Wood                      
d) All of these

d

Distilled water is………………….
a) Poor conductor      
b) Good conductor
c) Both a and b                       
d) None

a

Flow of electron is called…………
a) Electroplating          
b) Electric current
c) Electrodes               
d) Electrolyte

b

Electroplating prevents……………
a) Current                   
b) Chemical effect
c) Rusting                   
d) All

c

An electric lamp glows due to…….
a) Chemical effect      
b) Magnetic effect
c) Heating effect        
d) None of these

c