- #1

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#1

No idea.

#2

Please someone explain me the question. From what I have understood, I think it’s because on connecting wires, it will form a closed loop and will induce an opposing EMF which will induce current in circuit and which will provide an opposing torque to the motion.

#3

Yes, start at instance battery is connected and continue to rise till infinity as current in first will also me maximum at infinity and will keep on increasing till then

#4

Same reason as third, current will be 0 at infinity

#5

Doesn’t inductance only depend on just geometry of solenoid? Then why will it change for ends?

#6

I guess at center as magnetic field lines are denser at center.

#7

The rod will magnetize so field and flux will increase, but answer is (a), (b), (c)

#8

Answer says that (d) is wrong, why? While electron will shift at B, they will collide and produce heat, right?