You should have observed that a permanent magnet can exert forces on moving char

Question

You should have observed that a permanent magnet can exert forces on moving charges or currents.

a) If a magnet exerts a force on a moving charge would the magnet experience any forces? Explain.

b) In the case of the gravitational or electrostatic interaction between two objects each object has a common property, such as mass in the case of gravitational interaction or excess charge in the case of the electrostatic interaction. A permanent magnet and a moving electron seem very different. Can you think of any way that they might have a common property? Explain.

Explanation / Answer

(a)

yes magnet experice foces because moving charges produces current which produces magnetic filed

so moving charge behaves like a magnetic pole

hence, magnetic experienc a force du to moving charge.

(b)

since gravitational property and electro static peopoerty behaves like a magnet because attaracting or repel propoerty is common for both phenomenon

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