132Ω
214Ω
264Ω
269Ω
Correct answer is C
XL=2πfL=2×π×60×0.7=264Ω
A block and tackle system has 6 pulleys. If the efficiency of the machine is 60%, determine its mech...
A pulley system has three pulleys in the fixed block and two in the movable block and if the pulley ...
The volume of a given mass of gas at 27oC and 800 mmHg is 76cm2. Calculate its volume at s.t.p...
Which of the following phenomena explains the fact that a house whose roof is coated with white pain...
What is the electric potential at a point distance r from a proton of charge q placed in a medium of...
An electric generator has e.m.f. of 240 V and an internal resistance of 1Ω if the current supplied...
The velocity ratio and efficiency of a system of pulleys are 6 and 80% respectively. How much effort...
The image obtained on the screen of a pin-hole camera becomes less sharply defined when the ...
In which of the following piece of apparatus is the radius of curvature equal to twice the focal len...
A lantern gives an image of 3m square of a slide 7.62cm square on a screen. If the screen is 10m fro...
Spatial Reasoning Questions and Answers
Situational Judgement Questions and Answers
Numerical Reasoning Questions and Answers
Nigeria General Knowledge Questions and Answers
Personality Test
Puzzles Questions and Answers
Abstract Reasoning Questions and Answers
Quantitative Reasoning Questions and Answers
Typing Speed and Accuracy Test
Logical Reasoning Questions and Answers
Verbal Reasoning Questions and Answers
Microsoft Office Questions and Answers
Data Interpretation Questions and Answers
See all →