Which of the following devices convert heat energy to ele...
Which of the following devices convert heat energy to electrical energy?
transformer
dynamo
thermocouple
thermostat
Correct answer is C
No explanation has been provided for this answer.
The fig above shows two waveforms X and Y. If the frequency of X is 30Hz what is the frequency of Y ...
The images formed by a diverging lens are always ...
A landlord has eight 40W electric light bulbs, four 60W bulbs and two 100W bulb in his house. If he ...
In a photocell, light energy is converted to ...
A body accelerates uniformly from rest at 2ms-2. Calculate the magnitude of its velocity after trave...
Calculate the mass of ice that would melt when 2kg of copper is quickly transferred from boiling wat...
An observer heard the sound of thunder 5.8s after the lightning flash was seen. How far was he from ...
A simple microscope forms an image twice the size of the object. If the focal length of the lens of ...
The gravitational field intensity at a location X, in space, is two-fifths of its value on the earth...
The circuit contains three ammeters A1, A2 and A3 with readings of A2 and A3 shown as indicated in t...
Numerical Reasoning Questions and Answers
Microsoft Office Questions and Answers
Nigeria General Knowledge Questions and Answers
Spatial Reasoning Questions and Answers
Typing Speed and Accuracy Test
Data Interpretation Questions and Answers
Quantitative Reasoning Questions and Answers
Abstract Reasoning Questions and Answers
Personality Test
Verbal Reasoning Questions and Answers
Puzzles Questions and Answers
Logical Reasoning Questions and Answers
Situational Judgement Questions and Answers
See all →