20 Two identical galvanometers X and Y were connected as shown and placed on a desk....
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20 Two identical galvanometers X and Y were connected as shown and placed on a desk. A. B. C. The meter X was then picked up and rotated suddenly anticlockwise to the position shown by the dotted outline, while the meter Y remained stationary on the desk. D. NGS Movement X Towards right Towards left NG S Towards left X Movement of pointer Towards right N When this action is carried out, the pointers on both meters move relative to the scales on the meters. Which row of the table correctly identifies the movement of the pointer on Y and the reason for its behaviour? Y N S ROP 0 S Reason The movement of X produces a current that flows into the opposite terminal of Y. According to Lenz's law the effect produced must oppose the cause of the flux. Y behaves as a motor with the current flowing through it from right to left. For every force, there is an equal and opposite force. 20 Two identical galvanometers X and Y were connected as shown and placed on a desk. A. B. C. The meter X was then picked up and rotated suddenly anticlockwise to the position shown by the dotted outline, while the meter Y remained stationary on the desk. D. NGS Movement X Towards right Towards left NG S Towards left X Movement of pointer Towards right N When this action is carried out, the pointers on both meters move relative to the scales on the meters. Which row of the table correctly identifies the movement of the pointer on Y and the reason for its behaviour? Y N S ROP 0 S Reason The movement of X produces a current that flows into the opposite terminal of Y. According to Lenz's law the effect produced must oppose the cause of the flux. Y behaves as a motor with the current flowing through it from right to left. For every force, there is an equal and opposite force.
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