Multiple choice

A charged glass rod rubbed with silk is brought near a charged plastic straw rubbed with polythene. What will happen?

  1. The glass rod and the straw will repel each other.

  2. <font face="Arial">The glass rod and the straw will attract each other.</font>

  3. No effect is observed.

  4. Sometimes the rod will attract the straw and at other times it will repel the straw. Hence, no conclusion can be drawn.

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

When a charged glass rod rubbed with silk is brought near a charged plastic straw rubbed with polythene, the rod and the straw are attracted towards each other.