MEDIUM
JEE Main
IMPORTANT
Earn 100

Two wires carrying equal currents i each are placed perpendicular to each other, just to avoid the contact. If one wire is held fixed and the other is free to move under magnetic forces, what kind of motion will result?

Important Questions on Magnetic Field Due to a Current

MEDIUM
JEE Main
IMPORTANT
CONCEPTS OF PHYSICS [VOLUME 2]>Chapter 13 - Magnetic Field Due to a Current>QUESTIONS FOR SHORT ANSWER>Q 9
Two proton beams going in the same direction repel each other whereas two wires carrying currents in the same direction attract each other. Explain.
EASY
JEE Main
IMPORTANT
CONCEPTS OF PHYSICS [VOLUME 2]>Chapter 13 - Magnetic Field Due to a Current>QUESTIONS FOR SHORT ANSWER>Q 10
In order to have a current in a long wire, it should be connected to a battery or some such device. Can we obtain the magnetic field due to a straight, long wire by using Ampere's law without mentioning this other part of the circuit?
EASY
JEE Main
IMPORTANT
CONCEPTS OF PHYSICS [VOLUME 2]>Chapter 13 - Magnetic Field Due to a Current>QUESTIONS FOR SHORT ANSWER>Q 11
Quite often, connecting wires carrying currents in opposite directions are twisted together for using in the electrical appliances. Explain how it avoids unwanted magnetic fields.
EASY
JEE Main
IMPORTANT
CONCEPTS OF PHYSICS [VOLUME 2]>Chapter 13 - Magnetic Field Due to a Current>QUESTIONS FOR SHORT ANSWER>Q 12
Two current-carrying wires may attract each other. In absence of other forces, the wires will move towards each other increasing the kinetic energy. Does it contradict the fact that the magnetic force cannot do any work and hence cannot increase the kinetic energy?
EASY
JEE Main
IMPORTANT
CONCEPTS OF PHYSICS [VOLUME 2]>Chapter 13 - Magnetic Field Due to a Current>OBJECTIVE>Q 1
A vertical wire carries a current in upward direction. An electron beam sent horizontally towards the wire will be deflected
EASY
JEE Main
IMPORTANT
CONCEPTS OF PHYSICS [VOLUME 2]>Chapter 13 - Magnetic Field Due to a Current>OBJECTIVE>Q 2
A current-carrying straight wire is kept along the axis of a circular loop carrying a current. The straight wire
MEDIUM
JEE Main
IMPORTANT
CONCEPTS OF PHYSICS [VOLUME 2]>Chapter 13 - Magnetic Field Due to a Current>OBJECTIVE>Q 3
A proton beam is going from north to south and an electron beam is going from south to north. Neglecting the Earth's magnetic field, the electron beam will be deflected
MEDIUM
JEE Main
IMPORTANT
CONCEPTS OF PHYSICS [VOLUME 2]>Chapter 13 - Magnetic Field Due to a Current>OBJECTIVE>Q 4
A circular loop is kept in that vertical plane which contains the north-south direction. It carries a current that is towards the north, at the top most point. Let A be a point on the axis of the circle, to the east of it and B be a point on this axis, to the west of it. The magnetic field due to the loop