| ⇦ | 
| ⇨ |
An electric current passes through a long straight wire. At a distance 5 cm from the wire, the magnetic field is B. The field at 20 cm from the wire would be
Options
(a) B / 6
(b) B / 4
(c) B / 3
(d) B / 2
Correct Answer:
B / 4
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
Related Questions: - A capacitor of capacitance value 1 μF is charged to 30 V and the battery
- A spherical drop of mercury having a potential of 2.5 v is obtained as a result
- A ray of light is incident at an angle of incidence i, on one face of a prism
- A bullet of mass m moving with velocity v strikes a block of mass M at rests
- The ‘rad’ is the correct unit used to report the measurement of
Topics: Magnetic Effects of Current and Magnetism
(167)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A capacitor of capacitance value 1 μF is charged to 30 V and the battery
- A spherical drop of mercury having a potential of 2.5 v is obtained as a result
- A ray of light is incident at an angle of incidence i, on one face of a prism
- A bullet of mass m moving with velocity v strikes a block of mass M at rests
- The ‘rad’ is the correct unit used to report the measurement of
Topics: Magnetic Effects of Current and Magnetism (167)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
18000+ students are using NEETLab to improve their score. What about you?
Solve Previous Year MCQs, Mock Tests, Topicwise Practice Tests, Identify Weak Topics, Formula Flash cards and much more is available in NEETLab Android App to improve your NEET score.
Share this page with your friends
Leave a Reply