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  1. .... 4. No. Magnetic field lines are more concentrated at the poles. Hence, magnetic field strength is stronger...

  2. ... my eyes into it for long time with full concentrate ?Can i speak up my opinions even when....It will giving you lot of restrict on night time flying.When you are ...

  3. ...inertia measures the reluctance of an object to rotate, objects with mass concentrated around the centre should thus have lower moment of inertia.

  4. ... questions When we dilute a concentrated alkali, the safest method is adding...039;re right) Why must the instrutions on how to dilute the chemical should be given on the bottle...

  5. ...corona discharge and negative corona discharge depending on the polarity of the conductor. The difference between... produced in a positive corona are concentrated close to the surface of the electrode, in a region of high-potential...

  6. ... indicates the direction of magnetic force on a north test pole.咩測試北極磁力方向?唔係好明句野... by inserting a soft-iron core into the coil. to concentrate the magnetic field究竟係點樣 concentrate 呢? Soft iron...

  7. ...rod is partially inserted, the magnetic field near that region will be more concentrated (compared to no steel rod). Hence the turning frequency will be...

  8. ... is a ferromagnetic substance, it can " concentrate " the magnetic field, thus increase the field strength. ... the voltage of the battery, or have more turns on the coil. 如果在通電期間,線圈因一些外在原因而停止轉動...

  9. ...as iron, cobalt and nickel, have high permeability so the magnetic field lines will concentrate on these materials. In contrast, the "permeability" of air is...

  10. ...inertial frame is correct while the observation by the people on the train is invalid since they are not in an inertial.... As a result, much air seems ' concentrate ' at the back end of the train. 2008-09-11 20:59:53 補充...