| ⇦ | 
| ⇨ |
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 alternating current in a circuit is given by I=50 sin314t. The peak value
- Charge density for intrinsic semiconductor will be
- The work function for aluminium is 4.125 eV. The cutoff wavelength for photoelectric
- What is the voltage gain in a common-emiiter amplifier, when input resistance is 4 Ω
- The radii of circular orbits of two satellites A and B of the earth, are 4R and R
Topics: Work Energy and Power
(94)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The alternating current in a circuit is given by I=50 sin314t. The peak value
- Charge density for intrinsic semiconductor will be
- The work function for aluminium is 4.125 eV. The cutoff wavelength for photoelectric
- What is the voltage gain in a common-emiiter amplifier, when input resistance is 4 Ω
- The radii of circular orbits of two satellites A and B of the earth, are 4R and R
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