Answer available
Class 12 · Physics · Magnetic Effects of Current and Magnetism
How is a galvanometer converted into an ammeter and into a voltmeter?
3 marksMediumShort answer
ICSE question bank
Every question in the vault, filterable by class, subject, chapter, topic, year, marks, difficulty, type and source. The filters live in the URL, so any view you build can be shared.
5 questions
- Answer available
Class 12 · Physics · Magnetic Effects of Current and Magnetism
A circular coil of 100 turns and radius 0.1 m carries a current of 2 A. Find the magnetic field at its centre. Take μ0 = 4π × 10−7 T m A−1.
3 marksMediumNumerical
- Answer available
Class 12 · Physics · Magnetic Effects of Current and Magnetism
State the Biot-Savart law and Ampere's circuital law.
3 marksMediumShort answer
- Answer available
Class 12 · Physics · Magnetic Effects of Current and Magnetism
Distinguish between diamagnetic, paramagnetic and ferromagnetic substances, with one example of each.
3 marksMediumShort answer
- Answer available
Class 12 · Physics · Magnetic Effects of Current and Magnetism
Calculate the magnetic field at a point 0.1 m from a long straight wire carrying a current of 5 A. Take μ0 = 4π × 10−7 T m A−1.
3 marksMediumNumerical