Magnetic Field due to Current through a straight Conductor:
→ It can be represented by concentric circles at every point on conductor.
→ Direction can be given by right hand thumb rule or compass.
→ Circles are closer near the conductor.
→ Magnetic field ∝ Strength of current.
→ Magnetic field ∝ 1/Distance from conductor
Magnetic Field due to Current through a coaching Circular Loop:
→ It can be represented by concentric circle at every point.
→ Circles become larger and larger as we move away.
→ Every point on wire carrying current would give rise to magnetic field appearing as straight line at centre of the loop.
→ The direction of magnetic field inside the loop is same.
Factors affecting magnetic field of a circular current carrying conductor
Conductor:
→ Magnetic field ∝ Current passing through the conductor
→ Magnetic ∝ 1/Distance from conductor
→ Magnetic field ∝ No. of turns in the coil
→ Magnetic field is additive in nature i.e., magnetic field of one loop add
What are,the factors for the strength of solenoid
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