Q11.Match List I with List II Chose the correct answer from the options given below (1) A −IV, B −I, C −III, D −II (2) A −II, B −III, C −I, D −IV (3) A −IV, B −III, C −I, D −II (4) A −I, B −II, C −III, D −IV
What This Question Tests
This question is a matching exercise testing the knowledge of formulas for magnetic field and forces due to various current configurations and torque on a loop.
Concepts Tested
Formulas Used
F = I(L × B)
B = μ₀I/(2πr)
B = μ₀I/(2R)
τ = NIABsinθ
📚 NCERT Sections This Tests
4.7 — Two Long And Parallel Straight Wires A And B Carrying Currents Of
Physics Class 11 · Chapter 4
4.7 Two long and parallel straight wires A and B carrying currents of 8.0 A and 5.0 A in the same direction are separated by a distance of 4.0 cm. Estimate the force on a 10 cm section of wire A.
4.4 — A Horizontal Overhead Power Line Carries A Current Of 90 A In East To
Physics Class 11 · Chapter 4
4.4 A horizontal overhead power line carries a current of 90 A in east to west direction. What is the magnitude and direction of the magnetic field due to the current 1.5 m below the line?
4.6 — A 3.0 Cm Wire Carrying A Current Of 10 A Is Placed Inside A Solenoid
Physics Class 11 · Chapter 4
4.6 A 3.0 cm wire carrying a current of 10 A is placed inside a solenoid perpendicular to its axis. The magnetic field inside the solenoid is given to be 0.27 T. What is the magnetic force on the wire?
📋 Question Details
- Chapter
- Magnetic Effects of Current
- Topic
- Magnetic field and force
- Year
- 2024
- Shift
- 29 Jan Shift 1
- Q Number
- Q11
- Type
- MCQ
- NCERT Ref
- Class 12 Physics Ch 4: Moving Charges and Magnetism
More from this Chapter
Q49.If a current is passed through a spring then the spring will (1) expand (2) compress (3) insulator (4) none of these
Q52.If in a circular coil A of radius R, current I is flowing and in another coil B of radius 2R a current 2l is flowing, then the ratio of the magnetic fields BA and BB , produced by them will be (1) 1 (2) 2 (3) 1/2 (4) 4
Q53.If an electron and a proton having same momenta enter perpendicular to a magnetic field, then (1) curved path of electron and proton will be same (2) they will move undeflected (ignoring the sense of revolution) (3) curved path of electron is more curved than that (4) path of proton is more curved of the proton
Q54.Wires 1 and 2 carrying currents i1 and i2 respectively are inclined at an angle θ to each other. What is the force on a small element dl of wire 2 at a distance of r from wire 1 (as shown in the figure) due to the magnetic field of wire 1 ? μ0 (1) θ 2πr i1i2dl tan θ (2) 2πrμ0 i1i2 dl sin (3) 2πr μ0 i1i2dl cos θ (4) 4πrμ0 i1i2dl sin θ