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
Class 12 · ICSE · Physics
Magnetic Effects of Current and Magnetism
The Biot-Savart and Ampere laws, the force on a current-carrying conductor, the moving coil galvanometer and magnetic materials.
- Questions
- 5
- PYQs
- 0
- Topics
- 0
Syllabus mapping: ISC syllabus (CISCE)
Questions
5 questions in this chapter.
- 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