A metallic rod AB is sliding on conducting rails as shown in figure. Match the direction of induced current in resistor ‘R’ given in Row–II with different cases shown in Row–I.
Case 1 - Magnetic field inside the screen. Motion towards your left.
Case 2 - Magnetic field outside the screen. Motion towards your right.
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Answer: Q1
A rod AB is lying as shown in the figure. Point A has speed V
A
as shown. Find
(i) Speed of point B
(ii) Angular velocity of the rod
The conducting rod ab, as shown in figure makes contact with metal rails ca and db. The apparatus is in a uniform magnetic field of 0.800T, perpendicular to the plane of the figure. In what direction does the current flow in the rod?
Column I shows the cylindrical region of radius r where a downward magnetic field
B
exists, where
B
is increasing at the rate of dB/dt. A rod PQ is placed in different situation as shown. Match the column I with the current statement in column II regarding the induced emf in rod.
Explanation:
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