120s
570s
600s
836s
Correct answer is B
t = \(\frac{mc\theta}{IV} = \frac{3 \times 4189 \times 60}{6 \times 120} = 570s\)
A given mass of an ideal gas has a pressure of 500Nm-2 at -13oC. If its volume remains constant. Cal...
A glass bottle of initial volume 2 x 104 cm3 is heated from 20oC to 50oC. If the linear expansivity ...
The maximum permissible current through a galvanometer G of internal resistance 10\(\Omega\) is 0.05...
An air column 10cm in length is trapped into the sea end of a capillary tube by a 15cm column of mer...
The process of energy production in the sun is? ...
A car takes off from rest and covers a distance of 80m on a straight road in 10s. Calculate the magn...
Which of the following are true about the infra-red radiation? i. it is invisible ii. it is call...
In which simple machine is the effort applied between the load and the fulcrum? ...
The velocity ratio of a machine is 5 and its efficiency is 75%. What effort would be needed to lift ...
A narrow beam of white light can be split up into different colours by a glass prism. The correct ex...
Numerical Reasoning Questions and Answers
Abstract Reasoning Questions and Answers
Microsoft Office Questions and Answers
Spatial Reasoning Questions and Answers
Data Interpretation Questions and Answers
Quantitative Reasoning Questions and Answers
Logical Reasoning Questions and Answers
Personality Test
Puzzles Questions and Answers
Nigeria General Knowledge Questions and Answers
Situational Judgement Questions and Answers
Verbal Reasoning Questions and Answers
Typing Speed and Accuracy Test
See all →