| ⇦ | 
| ⇨ |
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: - For CE transistor amplifier, the audio signal voltage across the collector resistance
- A particle is moving with a uniform velocity along a straight line path
- The inductive reactance of an inductor of 1/π henry at 50 Hz frequency is
- At a given temperature the root mean square velocities of oxygen and hydrogen
- What will be the ratio of the distance moved by a freely falling body from rest in 4th
Topics: Current Electricity
(136)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- For CE transistor amplifier, the audio signal voltage across the collector resistance
- A particle is moving with a uniform velocity along a straight line path
- The inductive reactance of an inductor of 1/π henry at 50 Hz frequency is
- At a given temperature the root mean square velocities of oxygen and hydrogen
- What will be the ratio of the distance moved by a freely falling body from rest in 4th
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.