An iron rod of length 20 cm and diameter 1 cm is placed inside a solenoid on which the…

Physics · JEE Main · NTA Exams — Magnetic Effects of Current and Magnetism

1. 2.997 × 10² A/m
2. 2.997 × 10³ A/m
3. 2.997 × 10⁴ A/m
4. 1.49 × 10⁵ A/m

Answer

(C) 2.997 × 10 4 A/m

Sign up free on Edukali to view the step-by-step worked solution and practice thousands of similar questions.

Related practice questions

• The total intensity of the Earth’s magnetic field at equator is 5 units. What is its value at the poles ?
• The coercivity of a bar magnet is 4000A/m .In order to demagnetize it is placed inside a solenoid of length…
• An element d = dx i (where dx = 1 cm) is placed at the origin and carries a large current I = 10A. What is…
• Two thin long, parallel wires, separated by a distance d carry a current of i Amp in the same direction. They…
• The magnetic susceptibility of a material of a rod is 499. Permeability of vacuum is 4π × 10 –7 H/m. Absolute…
• A thin circular disc of radius R is uniformly charged with density σ > 0 per unit area. The disc rotates…
• A particle of charge – 16 × 10 –18 C moving with velocity 10 ms –1 along the x-axis enters a region where a…
• In a magnetic meridian of a certain place, horizontal component of earth’s field is 0.25G and the angle of…

More Magnetic Effects of Current and Magnetism questions · Browse all practice questions