Practice 2

19 Animated Videos | 19 Structured Questions.

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21

Magnetic force on the loop in diff cases ?

2 Min | 1MB #Intermediate
22

Net magnetic force on each frame ?

2 Min | 1MB #Intermediate
23

Friction b/w rod and rails. Range of current for equilibrium ?

3 Min | 2MB #Intermediate
24

V ? for which system remains static

2 Min | 1MB #Intermediate
25

Rod rolls without slipping. Speed of rod as it leaves the rails ?

2 Min | 1MB #Intermediate
26

Loop will expand / contract ?

2 Min | 1MB #Intermediate
27

Magnetic force on loop ?

1 Min | 1MB #Intermediate
28

Force on ring ? Current for the ring to balance its weight ?

3 Min | 3MB #Advanced
29

Is net force / net torque on loop zero ?

2 Min | 4MB #Advanced
30

Conducting fluid. Difference in levels of fluid ?

1 Min | 1MB #Advanced
31

Charge Q passed suddenly through galvanometer. Max angle of deflection ?

4 Min | 6MB #Advanced
32

Max angular vel of ring ? if max T in strings is given.

3 Min | 3MB #Advanced
33

Magnetic dipole moment ? B = B z. Torque and Force on loop ?

2 Min | 2MB #Advanced
34

Angular frequency of oscillations of coil ?

3 Min | 2MB #Advanced
35

B so that the loop will tip over ?

4 Min | 4MB #Advanced
36

Angular acceleration of loop at this moment ?

3 Min | 3MB #Advanced
37

B = ( 3i + 4k ). Loop stays horizontal. Current in loop ?

4 Min | 3MB #Advanced
38

Magnetic moment of a half tore ?

2 Min | 3MB #Advanced
39

Find B so that sphere is in equilibrium

3 Min | 3MB #Advanced
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