| ⇦ | 
| ⇨ |
Magnetic flux φ (in weber) linked with a closed circuit of resistance 10 Ω varies with time t (in sec) as φ=5t²-4t+1. The induced e.m.f. in the circuit at 0.2 sec is
Options
(a) 0.4 volt
(b) 2.0 volt
(c) (-0.4 volt)
(d) (-2.0 volt)
Correct Answer:
2.0 volt
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
Related Questions:
- Two resistors of 6Ω and 9Ω are connected in series to a 120 V source.
- The self-inductance of a coil having 500 turns is 50mH. The magnetic flux
- A cell can be balanced against 110 cm and 100 cm of potentiometer wire, respectively
- The transverse nature of electromagnetic waves is proved by which of the following?
- A car accelerates from rest at constant rate for first 10s and covers a distance x.
Topics: Electromagnetic Induction
(76)
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