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Recent questions tagged solenoid-and-toroid

A solenoid is 2.7-m long, has a radius of 0.85 cm, and has 600 turns. It carries a current I of 2.5 A. What is the magnitude of the magnetic field B inside the solenoid and far from either end?

asked Mar 14, 2014 by balaji.thirumalai

1 answer

Consider the following statements \[\] Statement 1: A solenoid tends to expand when a current passes through it \[\] Statement 2: Two parallel metallic wires carrying current in the same direction repel each other

asked Feb 23, 2014 by thanvigandhi_1

1 answer

Consider the following statements \[\] Statement 1: If the current in the solenoid is reversed in direction while keeping the magnitude constant, the energy stored in the solenoid decreases \[\] Statement 2: Magnetic field energy is proportional to the square of the current

asked Feb 21, 2014 by thanvigandhi_1

1 answer

A coil having $N$ turns is wound tightly in the form of a spiral with inner and outer radii as $a$ and $b$ respectively. The magnetic field at the centre when a current $i$ passes through it is

asked Feb 19, 2014 by thanvigandhi_1

1 answer

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