| ⇦ | 
| ⇨ |
A potentiometer wire has length 4m resistance 8Ω. The resistance that must be connected in series with the wire and an accumulator of emf 2V, so as to get a potential gradientof 1mV per cm on the wire is
Options
(a) 32Ω
(b) 40Ω
(c) 44Ω
(d) 48Ω
Correct Answer:
32Ω
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
Related Questions: - If sink is at a temperature of -39⁰C and source at 0⁰C, then efficiency will be
- A coil of 100 turns carries a current of 5 mA and creates a magnetic flux of 10⁻⁵ Wb.
- A particle of mass m is driven by a machine that delivers a constant power k watts
- A wire of length L metre carrying a current I ampere is bent in the form
- Two bodies of mass 0.25 kg each moving towards each other with velocity
Topics: Current Electricity
(136)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- If sink is at a temperature of -39⁰C and source at 0⁰C, then efficiency will be
- A coil of 100 turns carries a current of 5 mA and creates a magnetic flux of 10⁻⁵ Wb.
- A particle of mass m is driven by a machine that delivers a constant power k watts
- A wire of length L metre carrying a current I ampere is bent in the form
- Two bodies of mass 0.25 kg each moving towards each other with velocity
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
Leave a Reply