| ⇦ | 
| ⇨ |
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: - A body travelling along a straight line traversed one-third of the total distance
- One way in which the operation of a n-p-n transistor differs from that of a p-n-p
- Two blocks of masses m₁=4 kg and m₂= 2kg are connected to the ends of a string
- Two planets at mean distances d₁ and d₂ from the sun have their frequencies n₁ and n₂
- Which of the following transitions in hydrogen atoms emit photons of highest frequency?
Topics: Work Energy and Power
(94)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A body travelling along a straight line traversed one-third of the total distance
- One way in which the operation of a n-p-n transistor differs from that of a p-n-p
- Two blocks of masses m₁=4 kg and m₂= 2kg are connected to the ends of a string
- Two planets at mean distances d₁ and d₂ from the sun have their frequencies n₁ and n₂
- Which of the following transitions in hydrogen atoms emit photons of highest frequency?
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