Question

What can be obtained from Right Hand Thumb rule?

• A. Magnetic field direction if current is given.
• B. It is helpful in determining the intensity of the current.
• C. Magnetic field direction at any point.
• D. It is helpful in determining the intensity of the magnetic field.

Answer 1

The correct option is A Magnetic field direction if current is given.

Right Hand Thumb rule helps in determining the magnetic field direction when the direction of current through the conductor is known. And it is also useful to find the direction of current if the magnetic field direction is known.