Question:
For a long wire carrying a current of 10 A, the magnitude of magnetic field at a point 4 cm away from it will be:
For a long wire carrying a current of 10 A, the magnitude of magnetic field at a point 4 cm away from it will be:
Updated On: Feb 26, 2025
- 4×$10^{-5}$T
- 2x$10^{-5}$T
- $10^{-5}$T
- 5×$10^{-5}$T
Hide Solution
Verified By Collegedunia
The Correct Option is D
Solution and Explanation
The correct option is (D): 5×$10^{-5}$T
Was this answer helpful?
0
0
Top Questions on Magnetic Field due to a Current Element
A current carrying toroid winding is internally filled with lithium having susceptibility \( \chi = 2.1 \times 10^{-5} \). What is the percentage increase in the magnetic field in the presence of lithium over that without it?
- MH Board Class XII - 2024
- Physics
- Magnetic Field due to a Current Element
A circular coil of wire is made up of 200 turns, each of radius 10 cm. If a current of 0.5A passes through it, what will be the magnetic field at the centre of the coil?
- MH Board Class XII - 2024
- Physics
- Magnetic Field due to a Current Element
- Two concentric circular coil of radius 20 cm and 30 cm carries current 2A and 3A respectively in opposite direction then magnetic field at centre will be :-
- JIPMER MBBS - 2018
- Physics
- Magnetic Field due to a Current Element
- A long solenoid of diameter 0.1 m has 2 × 104 turns per meter. At the centre of the solenoid, a coil of 100 turns and radius 0.01 m is placed with its axis coinciding with the solenoid axis. The current in the solenoid reduces at a constant rate to 0 A from 4 A in 0.05 s. If the resistance of the coil is 10π2 Ω, the total charge flowing through the coil during this time is
- NEET (UG) - 2017
- Physics
- Magnetic Field due to a Current Element
Questions Asked in CUET exam
- Who, of the following, defined Human Geography as “Conception resulting from a more synthetic knowledge of the physical laws governing our earth and of the relations between the living beings which inhabit it”?
(1) Ratzel
(2) Blache
(3) Taylor
(4) Semple- CUET (UG) - 2024
- Introduction to Human Geography
- Three magnetic materials are listed below:
(A) Paramagnetics
(B) Diamagnetics
(C) Ferromagnetics
Choose the correct order of the materials in increasing order of magnetic susceptibility.- CUET (UG) - 2024
- Magnetic Effects of Current and Magnetism
- A metallic wire of uniform area of cross-section has a resistance \(R,\) resistivity \(ρ,\) and power rating P at V volts. The wire is uniformly stretched to reduce the radius to half the original radius. The values of resistance, resistivity, and power rating at V volts are now denoted by \(R'\), \(ρ'\), and \(P' \)respectively. The corresponding values are correctly related as __________.
Fill in the blank with the correct answer from the options given below- CUET (UG) - 2024
- Current electricity
- The current through a \(\frac{4}{3}\Omega\) external resistance connected to a parallel combinationof two cells of 2 V and 1 V emf and internal resistances of 1 \(\Omega\) and 2 \(\Omega\) respectively is ______.
Fill in the blank with the correct answer from the options given below- CUET (UG) - 2024
- Current electricity
- Two resistances of 100 \(\Omega\) and 200 \(\Omega\) are connected in series across a 20 V battery as shown in the figure below. The reading in a 200 \(\Omega\) voltmeter connected across the 200 \(\Omega\) esistance is _______.
Fill in the blank with the correct answer from the options given below- CUET (UG) - 2024
- Current electricity
View More Questions