Related Questions

The radius of circle A is r, and the radius of circle B is 3/4r. What is the ratio of the area of circle A to the area of circle B?
A 16 to 9
B 9 to 16
C 1 to 4
D 4 to 3
Overmodulation (amplitude) occurs when signal amplitude is ___________ carrier amplitude
A Equal to
B Greater than
C Less than
D None of the above
The amplitude is always __________ radius of the circle.
A Equal to
B Less than
C Greater than
D None of these
Radius of circle center 0 is 3 times the radius of circle center C. Angle ACB -A angle POQ. If the shaded are of circle C is 2 then what is the area of then shaded part of circleO?
A 36
B 9
C 12
D 18
When there is a reduction in amplitude over every cycle of vibration, then the body is said to have
A free vibration
B forced vibration
C damped vibration
D none of the mentioned
In under damped vibrating system, the amplitude of vibration
A Decreases linearly with time
B Increases linearly with time
C Decreases exponentially with time
D Increases exponentially with time
At the nodal point in a shaft, the amplitude for torsional vibration will be
A Minimum
B Maximum
C Zero
D Infinity
The area of circle A is 6.25 sq. in. If radius of the circle is doubled, what is the new area of circle A in sq. in?
A 5 pi
B 12.5 pi
C 25 pi
D 39.0625 pi
The difference between the radii of bigger circle and smaller circle is 14 cm and the difference between their areas is 1056 cm2. Radius of the smaller circle is:
A 7cm
B 5cm
C 9cm
D 3cm
The difference between the radii of bigger circle and smaller circle is 14 cm and the difference between their areas is 1056 cm2 . Radius of the smaller circle is _
A 7 cm
B 5 cm
C 9 cm
D 3 cm

Next steps