When a charged glass rod rubbed with silk is brought near a charged plastic straw rubbed with polythene, there is an attraction between the two. Identify the charge on the plastic straw.

Positive

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Negative

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

Neutral

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Can't say

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is B
Negative

It is a convention to call the charge acquired by a glass rod when it is rubbed with silk as positive. So, when straw gets attracted to the glass rod, it necessarily means that the plastic straw has acquired a negative charge.

Suggest Corrections

Similar questions

Q. When a charged glass rod rubbed with silk cloth is brought near a negatively charged plastic straw, there is an attraction between the two. What can be said about the glass rod?

Q. What happens when charged glass rod is brought near a charged plastic straw after being rubbed with silk?

Q. A glass rod and a plastic straw, both are rubbed with a polythene sheet and brought to each other. Attraction is observed. What kind of charge is acquired on the plastic straw?

Choose the correct option:

Statement 1: When a plastic straw is rubbed with a piece of paper and brought near another plastic straw, it attracts the second straw.

Statement 2: A straw is said to have acquired electrostatic charge after it has been rubbed with a piece of paper. Therefore, it exerts an electrostatic force on the second straw and attracts it.

Q. Statement 1: Plastic rod becomes negatively charged when rubbed with a cloth.
Statement 1: Glass rod becomes positively charged when rubbed with a cloth.
Explain both the statements.

Join BYJU'S Learning Program

When a charged glass rod rubbed with silk is brought near a charged plastic straw rubbed with polythene, there is an attraction between the two. Identify the charge on the plastic straw.

The correct option is B Negative It is a convention to call the charge acquired by a glass rod when it is rubbed with silk as positive. So, when straw gets attracted to the glass rod, it necessarily means that the plastic straw has acquired a negative charge.

The correct option is B
Negative

It is a convention to call the charge acquired by a glass rod when it is rubbed with silk as positive. So, when straw gets attracted to the glass rod, it necessarily means that the plastic straw has acquired a negative charge.