If a current carrying conductor is imagined to be held in right hand such that the thumb points in direction of current then the curled fingers of hand indicate the direction of magnetic field.This is called as the right hand thumb rule.
1. If current flows upward what will be the direction of magnetic field?
a. Clockwise
b. Anticlockwise
c. Straight
d. Zig-zag
2. If current flows downward what will be the direction of magnetic field?
a. Clockwise
b. Anticlockwise
c. Straight
d. Zig-zag
3. What do your curled up fingers symbolise?
a. Direction of force
b. Direction of velocity
c. Direction of magnetic field
d. Direction of current
4. What does your thumb symbolise?
a. Direction of force
b. Direction of velocity
c. Direction of magnetic field
d. Direction of current
5. Who gave this rule?
a. Newton
b. Pascal
c. Faraday
d. Maxwell
