| ⇦ | 
| ⇨ |
A force of 10N is applied on a body for 3 sec and the corresponding displacement 6 m. The power of the source is
Options
(a) 20 W
(b) 25 W
(c) 40 W
(d) 50 W
Correct Answer:
20 W
Explanation:
Velocity, v = displacement / time = 6/3 = 2 m/s
.·. Power, P = Fv = 10 × 2 = 20 W
Related Questions: - The conducting loop in the form of a circle is placed in a uniform magneitc field
- When photons of energy hν fall on an aluminium plate (of work function E₀),
- The equations of motion of a projectile are given by x=36 t metre and 2y=96t-9.8t²
- A 6 volt battery is connected to the terminals of a three metre long wire of uniform
- A parallel plate capacitor has 91 plates, all are identical and arranged with same
Topics: Work Energy and Power
(94)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The conducting loop in the form of a circle is placed in a uniform magneitc field
- When photons of energy hν fall on an aluminium plate (of work function E₀),
- The equations of motion of a projectile are given by x=36 t metre and 2y=96t-9.8t²
- A 6 volt battery is connected to the terminals of a three metre long wire of uniform
- A parallel plate capacitor has 91 plates, all are identical and arranged with same
Topics: Work Energy and Power (94)
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