Q23.A force F = 4ˆi + 3ˆj + 4ˆk is applied on an intersection point of x = 2 plane and x -axis. The magnitude of torque of this force about a point (2, 3, 4) is ________. (Round off to the Nearest Integer)
What This Question Tests
This question assesses the ability to calculate torque using the cross product of the position vector and the force vector, requiring knowledge of vector algebra.
Concepts Tested
Formulas Used
τ = r × F
📚 NCERT Sections This Tests
4.9 — A Square Coil Of Side 10 Cm Consists Of 20 Turns And Carries A Current
Physics Class 11 · Chapter 4
4.9 A square coil of side 10 cm consists of 20 turns and carries a current of 12 A. The coil is suspended vertically and the normal to the plane of the coil makes an angle of 30º with the direction of a uniform horizontal magnetic field of magnitude 0.80 T. What is the magnitude of torque experienced by the coil?
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?
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?
📋 Question Details
- Chapter
- Rotation
- Topic
- Torque
- Year
- 2021
- Shift
- 16 Mar Shift 2
- Q Number
- Q23
- Type
- Numerical
- NCERT Ref
- Class 11 Physics Ch 7: Rotation
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