Physicseasy · Past Paper
Which rule is used to find the direction of magnetic field around a straight current carrying conductor?
AFleming's Left Hand Rule
BFleming's Right Hand Rule
CRight Hand Thumb Rule
DLenz's Law
✓ Correct Answer: C — Right Hand Thumb Rule
The Right Hand Thumb Rule states that if the thumb points in current direction, the curled fingers show the magnetic field direction.
Share this question
More from Physics
- Two resistors are in parallel. If one resistor is removed, what happens to the total resistance of the circuit?
- When we wind a watch, we store:
- If the mass of a planet is 4 times Earth and its radius is 2 times Earth, 'g' on that planet is:
- Two resistors of 30Ω and 60Ω are connected in parallel and this combination is connected to a 30V battery. What is the current through the 30Ω resistor?
- Which of these is a natural source of light?