A. a dynamo B. an electric motor C. an induction coil D. a transformer Correct Answer: Option A A. a…
A. 12.5s B. 2.5s C. 2.0s D. 1.2s Correct Answer: Option A A. 12.5s Explanation Tx=20/5=4s Ty=50/4=12.5s
A. 500.0g B. 400.0g C. 44.4g D. 25.0g Correct Answer: Option D D. 25.0g Explanation clockwise moment = Anti-clock wise…
A. 0.25 ms‾² B. 0.80 ms‾² C. 3.20 ms‾² D. 4.00 ms‾² Correct Answer: Option B Explanation S = ut…
A. 1.00s B. 2.00s C. 2.18s D. 3.00s Correct Answer: Option B B. 2.00s Explanation T = 2u/g = 2×10/10…
A. manufacturing of rain coats B. production of palm oil C. floating of a needle on water D. washing of…
A. speed and displacement B. mass and force C. displacement and acceleration D. momentum and length Correct Answer: Option C…
A. first law of motion B. second law of motion C. third law of motion D. law of universal gravitation…
A. is zero B. increases C. decreases D. remains constant Correct Answer: Option A A. is zero