Question:
A wire carrying current I, bent as shown in the figure, is placed in a uniform magnetic field B that emerges normally out from the plane of the figure. The force on this wire is ______
Fill in the blank with the correct answer from the options given below.
A wire carrying current I, bent as shown in the figure, is placed in a uniform magnetic field B that emerges normally out from the plane of the figure. The force on this wire is ______
Fill in the blank with the correct answer from the options given below.
Fill in the blank with the correct answer from the options given below.
Updated On: Jan 24, 2025
- 4BIR, directed vertically downward
- 3BIR, directed vertically upward
- BI(2R + πR), vertically downward
- 2πBIR, from P to Q
Hide Solution
Verified By Collegedunia
The Correct Option is A
Solution and Explanation
The force on a current-carrying wire in a uniform magnetic field is given by 4BIR, directed vertically downward. Hence, the correct answer is Option 1.
Was this answer helpful?
0
1
Top Questions on Magnetic Effects of Current and Magnetism
- The magnetic field at the centre of a wire loop formed by two semicircular wires of radii \( R_1 = 2\pi \, m \) and \( R_2 = 4\pi \, m \) carrying current \( I = 4A \) as per figure given below is \( \alpha \times 10^{-7} \, T \). The value of \( \alpha \) is ______. (Centre O is common for all segments)
- JEE Main - 2024
- Physics
- Magnetic Effects of Current and Magnetism
- A 2A current-carrying straight metal wire of resistance 1 Ω, resistivity \( 2 \times 10^{-6} \, \Omega \, \text{m} \), area of cross-section \( 10 \, \text{mm}^2 \), and mass 500 g is suspended horizontally in mid-air by applying a uniform magnetic field \( \vec{B} \). The magnitude of \( B \) is ________ \( \times 10^{-1} \, \text{T} \) (given, \( g = 10 \, \text{m/s}^2 \)).
- JEE Main - 2024
- Physics
- Magnetic Effects of Current and Magnetism
- A coil having 9 turns carrying a current produces a magnetic field \( B_1 \) at the centre. Now the coil is rewound into 3 turns carrying the same current. Then the magnetic field at the centre \( B_2 \) is:
- KCET - 2024
- Physics
- Magnetic Effects of Current and Magnetism
- A moving electron produces
- KCET - 2024
- Physics
- Magnetic Effects of Current and Magnetism
- Name and state the rule for determining the direction of force on a current carrying conductor placed in a magnetic field.
- CBSE Class X - 2024
- Science
- Magnetic Effects of Current and Magnetism
View More Questions
Questions Asked in CUET exam
- When an alcoholic is given a mild electric shock and asked to smell the alcohol repeatedly to form an association between the two, this form of treatment is known as:
- CUET (UG) - 2024
- Therapeutic Approaches
- Two parallel plate capacitors of capacitances 2 \(\mu F\) and 3 \(\mu F\) are joined in series and the combination is connected to a battery of V volts. The values of potential across the two capacitors \(V_1\) and \(V_2\) and energy stored in the two capacitors \(U_1\)and \(U_2\) respectively are related as_____
Fill in the blank with the correct answer from the options given below- CUET (UG) - 2024
- Electrostatics
- 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
- Who devised the concept of Intelligence Quotient (IQ)?
- CUET (UG) - 2024
- Psychological attributes
- As per data collected in 2011, arrange the following Indian states in terms of child sex-ratio from lowest to highest:
(A) Punjab
(B) Haryana
(C) Tamil Nadu
(D) Sikkim
Choose the correct answer from the options given below:- CUET (UG) - 2024
- Social Inequality and Exclusion
View More Questions