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magnetic force between current carring wire questions with solutions
Practice Magnetic effect of current for JEE Main, JEE Advanced, NEET, and Classes 11–12. Attempt each question, then open it for the full solution.
Showing 1–9 of 9 questions
- MCQmediumMagnetic effect of current
Three long straight wires carrying current are arranged mutually parallel as shown in the figure. The force experienced by 15 cm length of wire Q is _____.
(μ₀ = 4π × 10⁻⁷ T·m/A)
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JEE Mains 202628 January Morning Shift
Open question & full solution → - NumericeasyMagnetic effect of current
The horizontal component of earth’s magnetic field at a place is 3.5 × 10⁻⁵ T. A very long straight conductor carrying current of √2 A in the direction from South east to North West is placed. The force per unit length experienced by the conductor is ……… × 10⁻⁶ N/m.
JEE Mains 2024 30 Jan Morning Shift
Open question & full solution → - MCQmediumMagnetic effect of current
A rigid wire consists of a semicircular portion of radius R and two straight sections. The wire is partially immersed in a perpendicular magnetic field = B₀ĵ as shown in the figure. The magnetic force on the wire if it has a current i is:
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JEE Mains 2024 31 Jan Morning Shift
Open question & full solution → - NumericmediumMagnetic effect of current
A square loop of edge length 2 m carrying current of 2 A is placed with its edges parallel to the x-y axis. A magnetic field is passing through the x-y plane and expressed as B = B₀(1 + 4x) k̂, where B₀ = 5 T. The net magnetic force experienced by the loop is _______ N.
JEE Mains 2024 09 Apr Morning Shift
Open question & full solution → - NumericmediumMagnetic effect of current
A single turn current loop in the shape of a right angle triangle with sides 5 cm, 12 cm, 13 cm is carrying a current of 2A. The loop is in a uniform magnetic field of magnitude 0.75 T whose direction is parallel to the current in the 13 cm side of the loop. The magnitude of the magnetic force on the 5 cm side will be x/130 N. The value of x is ___________.
JEE Mains24 January 2023Shift 2Evening Shift
Open question & full solution → - IntegereasyMagnetic effect of current
A straight wire of length 4.0 cm carrying current 8 A is placed perpendicular to a uniform magnetic field of 0.15 T. Find the magnetic force on the wire in mN.
JEE Mains 2025 3 April Morning Shift
Open question & full solution → - NumericmediumMagnetic effect of current
A 2A current carrying straight metal wire of resistance 1 Ω, resistivity 2 × 10⁻⁶ Ωm, area of cross-section 10 mm² and mass 500 g is suspended horizontally in mid air by applying a uniform magnetic field B. The magnitude of B is ______ × 10⁻¹ T (given, g = 10 m/s²)
JEE Mains 2024 05 Apr Morning Shift
Open question & full solution → - NumericmediumMagnetic effect of current
The magnetic field existing in a region is given by = 0.2(1 + 2x) k̂ T. A square loop of edge 50 cm carrying 0.5 A current is placed in x-y plane with its edges parallel to the x-y axes, as shown in figure. The magnitude of the net magnetic force experienced by the loop is ______ mN.
JEE Mains 2024 04 Apr Morning Shift
Open question & full solution → - IntegereasyMagnetic effect of current
A straight wire AB of mass 40 g and length 50 cm is suspended by flexible leads in a uniform magnetic field B = 0.40 T. Find the current required to make the tension in the leads zero. Take g = 10 m s⁻².
13 April 2023 Evening Shift
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