Practice 1

22 Animated Videos | 22 Structured Questions.

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1

dB/dt = K. Induced EMF ?

2 Min | 1MB #Intermediate
2

dB/dt. Current in the loop ?

1 Min | 1MB #Intermediate
3

Magnetic flux through a plane surface ?

1 Min | 1MB #Intermediate
4

Force for constant angular velocity of rod ?

3 Min | 3MB #Intermediate
5

Rings rolling in opp directions. PD b.w highest points of rings ?

3 Min | 3MB #Intermediate
6

Loop A has increasing i. Loop B will be repelled / attracted ?

2 Min | 6MB #Intermediate
7

If the loops are brought nearer, how will current in them change ?

2 Min | 16MB #Intermediate
8

Power as a function of time for one cycle ?

2 Min | 1MB #Intermediate
9

B = Bo sin wt at angle theta with xy plane. Theta for induced EMF to be maximum ?

3 Min | 3MB #Intermediate
10

Acceleration of the coil wrt time ?

4 Min | 3MB #Intermediate
11

B = Bo y/a . Speed of falling loop ?

6 Min | 3MB #Intermediate
12

Given induced i vs position x of loop, direction of B in each region ?

2 Min | 2MB #Intermediate
13

Loop has velocity 'v' towards right. PD b/w end points ?

2 Min | 1MB #Intermediate
14

Velocity of rod as function of time ?

3 Min | 2MB #Intermediate
15

Current through R is const. Fext as function of distance x ?

2 Min | 1MB #Intermediate
16

Rod has initial vel 'u' upwards. Time to reach highest point ?

2 Min | 1MB #Intermediate
17

Fext for constant velocity ?

3 Min | 1MB #Intermediate
18

P1 and P2 are given at terminal vel. Find terminal vel and R1 , R2

1 Min | 1MB #Intermediate
19

F ext is constant. Find speed of rod at time t.

3 Min | 2MB #Intermediate
20

Initial vel 'u' towards right. B = cx. Mag F as func of x ?

2 Min | 1MB #Intermediate
21

One rod moves left and other right. Current in resistor ?

2 Min | 1MB #Intermediate
22

Terminal velocity of rod ?

2 Min | 1MB #Intermediate
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