| ⇦ | 
| ⇨ |
An electron in potentiometer experiences a force 2.4×10⁻¹⁹N. The length of potentiometer wire is 6m. The emf of the battery connected across the wire is (electronic charge=1.6×10⁻¹⁹C)
Options
(a) 6V
(b) 9V
(c) 12V
(d) 15V
Correct Answer:
9V
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
Related Questions: - What is the Q-value of the reaction?
¹H+⁷Li→⁴He+⁴He
- A person can see clearly objects only when they lie between 50 cm and 400 cm from
- The velocity v of waves produced in water depends on their wavelength λ, the density
- The frequencies of X-rays,γ-rays and ultraviolet rays are respectively p,q and r
- Let A = i Acosθ +j B sinθ be any vector.Another vector B which is normal to A is
Topics: Current Electricity
(136)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- What is the Q-value of the reaction? ¹H+⁷Li→⁴He+⁴He
- A person can see clearly objects only when they lie between 50 cm and 400 cm from
- The velocity v of waves produced in water depends on their wavelength λ, the density
- The frequencies of X-rays,γ-rays and ultraviolet rays are respectively p,q and r
- Let A = i Acosθ +j B sinθ be any vector.Another vector B which is normal to A is
Topics: Current Electricity (136)
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
Formula Used: EMF = Force*distance/charge , given in HC Verma (Electric Current in conductors)
Plugging all the values give the value of EMF to be 9V.