CameraIcon
CameraIcon
SearchIcon
MyQuestionIcon
MyQuestionIcon
1
You visited us 1 times! Enjoying our articles? Unlock Full Access!
Question

As a cat rubs its back along a carpet, it acquires a charge of +8.2×107 C. How many electrons did it lose to the carpet?


A

5.12 × 1019

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

5.12 × 1012

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

51.2 × 1012

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

cannot be determined

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

The correct option is B

5.12 × 1012


It's given that charge acquired is +8.2×107 C. Let’s say n electrons were lost to acquire the charge.

Now, charge on each electron is e=(1.6×1019C)

So, ne = 8.2×107 C

n=8.2×107C1.6×1019=5.12×1012


flag
Suggest Corrections
thumbs-up
0
Join BYJU'S Learning Program
similar_icon
Related Videos
thumbnail
lock
Idea of Charge
PHYSICS
Watch in App
Join BYJU'S Learning Program
CrossIcon