Right-Hand Thumb Rule — task. Physics CBSE Live product, Class 10 (2026-27).

Choose the correct answer:

1. Which of the following is essential for correctly applying the Right-Hand Thumb Rule?

Pointing the thumb opposite to the direction of current
Holding the conductor with both hands and pointing both thumbs upward
Using the right hand with the thumb pointing in the direction of current
Using the left hand with the thumb pointing in the direction of the magnetic field

2. What is the primary purpose of the Right-Hand Thumb Rule?

To determine the strength of electric current in a conductor
To determine the direction of the magnetic field around a straight current-carrying conductor
To find the potential difference across a conductor
To measure the resistance of a conductor

Did you find an error?

8. Right-Hand Thumb Rule