Question Text
Question 1 :
Fuse wire should be placed in the path of _______ wire.<br>
Question 6 :
Which of the following will produce maximum wastage of electricity ?
Question 8 :
Which of these devices uses a magnet or electromagnet to make it work?
Question 10 :
What material is used for making the armature of an electric bell ? Give a reason for using this material.
Question 13 :
According to SI system, the standard unit of time is :
Question 14 :
The earliest clocks made by Egyptians in year 800 BC for measuring time was :
Question 15 :
The rate of change of velocity is called speed. True or false.
Question 17 :
The quantity which tells the distance an object travels in a certain time is called -
Question 19 :
When the distance an object travels is directly proportional to the time, it is said to travel with