Slider Region
1. Select Vibration Magnetometer for measuring the time period of oscillation of bar magnet.
2. Length of the magnet - Set the horizontal length of the magnet, from 3cm to 7cm.
3. Mass of the magnet - Set the mass of magnet, from 30g to 80g.
4. Breadth of the magnet - Set the horizontal breadth of the magnet, from 1cm to 3cm.
Note: When length and breadth of the bar magnet changes, the correspoding change in the mass is displayed in the simulator part.
5. Place second magnet – Clicking this button starts the oscillation. The Start/Stop button on the timer can then be used to time 10 oscillations, thereby finding a value for T, the period of oscillation.
6. Now, without changing the dimensions of the magnet, click Deflection Magnetometer.
7. Choose the position Tan A, Tan B or Tan C for the deflection magnetometer.
8. Choose the side, A or B, for placing the magnet. For Tan B position, the slider of the rotating angle should be in 90° so that the aluminum pointer reads the value 0-0. For Tan A and Tan C position, there is no need to change the rotating angle.
9. Place the magnet – Clicking this button places the bar magnet on the deflection magnetometer.
10. Distance from the center - Places the magnet a chosen distance d from the center of the compass box. Choose d so that the deflection θ of the aluminum pointer is in the 30°-60°range.
11. Reverse the magnet – Clicking this button reverses the poles of the magnet, to allow noting down the compass box deflection in the opposite direction.
12. Zoom - Using this slider, located at the bottom center of the simulator window, we can read the angle of deflection θ for a particular distance d of the magnet from the center of the compass box.
13. Note down the bar magnet mass M, and dimensions L and b, the various distances d and corresponding deflections θ, for all three of the Tan A, Tan B, and Tan C positions of the bar magnet.
14. Using equations given below, calculate the earth's field horizontal intensity (BH), and the magnetic moment (m) and pole strength (P) of the bar magnet.
15. Reset button – Clicking this button resets the simulator to its default values, but does not change the current choice of deflection or vibration magnetometer.
Slider Region
1. Select Vibration Magnetometer for measuring the time period of oscillation of bar magnet.
2. Length of the magnet - Set the horizontal length of the magnet, from 3cm to 7cm.
3. Mass of the magnet - Set the mass of magnet, from 30g to 80g.
4. Breadth of the magnet - Set the horizontal breadth of the magnet, from 1cm to 3cm.
Note: When length and breadth of the bar magnet changes, the correspoding change in the mass is displayed in the simulator part.
5. Place second magnet – Clicking this button starts the oscillation. The Start/Stop button on the timer can then be used to time 10 oscillations, thereby finding a value for T, the period of oscillation.
6. Now, without changing the dimensions of the magnet, click Deflection Magnetometer.
7. Choose the position Tan A, Tan B or Tan C for the deflection magnetometer.
8. Choose the side, A or B, for placing the magnet. For Tan B position, the slider of the rotating angle should be in 90° so that the aluminum pointer reads the value 0-0. For Tan A and Tan C position, there is no need to change the rotating angle.
9. Place the magnet – Clicking this button places the bar magnet on the deflection magnetometer.
10. Distance from the center - Places the magnet a chosen distance d from the center of the compass box. Choose d so that the deflection θ of the aluminum pointer is in the 30°-60°range.
11. Reverse the magnet – Clicking this button reverses the poles of the magnet, to allow noting down the compass box deflection in the opposite direction.
12. Zoom - Using this slider, located at the bottom center of the simulator window, we can read the angle of deflection θ for a particular distance d of the magnet from the center of the compass box.
13. Note down the bar magnet mass M, and dimensions L and b, the various distances d and corresponding deflections θ, for all three of the Tan A, Tan B, and Tan C positions of the bar magnet.
14. Using equations given below, calculate the earth's field horizontal intensity (BH), and the magnetic moment (m) and pole strength (P) of the bar magnet.
15. Reset button – Clicking this button resets the simulator to its default values, but does not change the current choice of deflection or vibration magnetometer.
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