Practice 2

19 Animated Videos | 19 Structured Questions.

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23

Force required for constant speed ?

2 Min | 1MB #Intermediate
24

dB/dt = const. How should rod move so that induced EMF = zero ?

2 Min | 1MB #Intermediate
25

If right rod is moved towards right, how will left rod move ?

1 Min | 1MB #Intermediate
26

Graph of induced current vs time ?

6 Min | 8MB #Intermediate
27

EMF induced in the rod ?

2 Min | 1MB #Intermediate
28

Current as function of time ?

2 Min | 5MB #Intermediate
29

EMF of rod as function of time ?

3 Min | 2MB #Advanced
30

Heights hA and hB. Relation b/w their resistivities and masses ?

2 Min | 3MB #Advanced
31

B = x2 t2. Heat dissipated till time t ?

2 Min | 1MB #Advanced
32

Net torque on loop as a func of angle ?

2 Min | 2MB #Advanced
33

Flux through smaller loop as a function of x ?

2 Min | 1MB #Advanced
34

Force opposing the motion of magnet ?

4 Min | 3MB #Advanced
35

Current in smaller loop as function of time ?

2 Min | 1MB #Advanced
36

Angular speed of disc ?

3 Min | 5MB #Advanced
37

Standing wave y = 2A sin kx cos wt. Max EMF in fundamental mode ?

3 Min | 5MB #Advanced
38

Flexible wire loop with r = a t . EMF wrt time ?

2 Min | 1MB #Advanced
39

i = Io sin wt in opp directions. Current in loop as func of t ?

3 Min | 2MB #Advanced
40

i = Io sin wt in solenoid. Induced current in shell ?

2 Min | 10MB #Advanced
41

i = Io cos wt in shell. Magnetic moment of loop ?

2 Min | 5MB #Advanced
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