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Alternating Current and Direct Current

2 infinite wi...

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2 infinite wires are kept perpendicular to each other without touching each other explain the nature of the force and also mention the motion of wires

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Q. If two straight current carrying wires are kept perpendicular to each other almost touching, then the wires

Q. Match the entries of column I with the entries of column II in the following table.

Column I	Column II
$(A)$	$(P)$ Wires $1$ and $2$ attract each other.
$(B)$	$(Q)$ Wires $1$ and $2$ do not exert any force on each other.
$(C)$	$(R)$ Magnetic fields at point $P$ due to wires $1$ and $2$ are perpendicular to each other.
$(D)$ Wires $1$ and $2$ are in the same plane without touching each other.	$(S)$ Magnetic fields at point $P$ due to wires $1$ and $2$ are in the same direction.

Which of the following option has the correct combination, considering column I and column II?

Q. Two wires carrying equal currents i each, are placed perpendicular to each other, just avoiding a contact. If one wire is held fixed and the other is free to move under magnetic forces, what kind of motion will result?

Q. Two infinitely long insulated wires are kept perpendicular to each other. They carry currents

I_{1} = 2 A

I_{2} = 1.5 A

.
i) Find the magnitude and direction of the magnetic field at P.
ii) If the direction of current is reversed in one of the wires. What would be the magnitude of the field B?

Q. Two long straight wires, each carrying an electric current of 5 A, are kept parallel to each other at a separation of 2.5 cm. Find the magnitude of the magnetic force experienced by 10 cm of a wire.

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