Two rings of the same mass and radius are placed such that their centers are at a common point and their planes are perpendicular to each other . The

Two rings of the same mass and radius are placed such that their centers are at a common point and their planes are perpendicular to each other . The moment of inertia of the system about an axis passing through the diameter of one of the rings is I . Then moment of inertia of one of the ring of the system about the central axis and perpendicular to its plane would be
A. 3I
B. `3I//2`
C. 2I
D. `2I//3`

Monjur Alahi

4 views

2025-01-04 04:42

1 Answers

Salim Ahmed Kawsar

Correct Answer - A
`I=I_(1)+I_(2)`
`=MR^(2)+(MR^(2))/(2)=(3)/(2)MR^(2)=3 I`

4 views Answered 2023-02-05 15:29

Related Questions

If a, b and c are three non-zero vectors such that each one of them being perpendicular to the sum of the other two vectors, then the value of `|a+b+c

2 Answers 4 Views

Two proton beams going in the same direction repel each other whereas two wires carrying currents in the same direction attract each other. Explain.

2 Answers 4 Views

a proton enters a perpendicular magnetic field of intensity b with speed v the proton moves along a circular path of radius r if a deuteron enter into the same magnetic field with same speed the radius of the circular trajectory will be

2 Answers 5 Views

Two concentric circular coil,s one of small radius `r_(1)` and the other of large radius `r_(2)`, such that `r_(1) lt lt r_(2)`, are placed co-axially

2 Answers 5 Views

Two identical spheres are placed in contact with each other. The force of gravitation between the spheres will be proportional to ( R = radius of each

2 Answers 6 Views

A soap bubble of radius `r` is placed on another bubble of radius `2r`. The radius of the surface common to both the bubbles is

2 Answers 5 Views

The radius of gyration of a disc of mass 100 g and radius 5 cm about an axis passing through its centre of gravity and perpendicular to the plane is

2 Answers 5 Views

Two disc has same mass rotates about the same axis with their densities `rho_(1)` and `rho_(2)` respectively such that `(rho_(1)gt rho_(2))`, then the

2 Answers 4 Views

Two coils are made of same material such that radius of one coil is twice of the other and magnetic field is same at the centres then ratio of potenti

2 Answers 4 Views

Two identical circular coils A and B are placed parallel to each other with their centres on the same axis. The coil B carries current in the clockwis

2 Answers 5 Views

এক্সাম দিয়ে মেধা যাচাই করুন

Job Preparation (1125)

Admission (754)

এসএসসি (10)

এইচএসসি (5)