Q14.A rigid wire consists of a semicircular portion of radius π and two straight sections. The wire is partially immerged in a perpendicular magnetic field π΅= π΅0 ^j as shown in figure. The magnetic force on the wire if it has a current π is : (1) -ππ΅π ^j (2) 2ππ΅π ^j (3) ππ΅π ^j (4) -2ππ΅π ^ j
What This Question Tests
This question tests the ability to calculate the magnetic force on a curved current-carrying wire in a uniform magnetic field, using the effective length concept.
Concepts Tested
Formulas Used
F = I(L x B)
π NCERT Sections This Tests
4.6 β A 3.0 Cm Wire Carrying A Current Of 10 A Is Placed Inside A Solenoid
Physics Class 11 Β· 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 β A Horizontal Overhead Power Line Carries A Current Of 90 A In East To
Physics Class 11 Β· 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?
4.5 β What Is The Magnitude Of Magnetic Force Per Unit Length On A Wire
Physics Class 11 Β· Chapter 4
4.5 What is the magnitude of magnetic force per unit length on a wire carrying a current of 8 A and making an angle of 30ΒΊ with the direction of a uniform magnetic field of 0.15 T?
π Question Details
- Chapter
- Magnetic Effects of Current
- Topic
- Magnetic force on a current-carrying wire
- Year
- 2024
- Shift
- 31 Jan Shift 1
- Q Number
- Q14
- Type
- MCQ
- NCERT Ref
- Class 12 Physics Ch 4: Moving Charges and Magnetism
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