- It assures a position right angle to magnetic field
- It starts rotating
- It assures a position which follows a line of magnetic flux
- None of the above
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Electron current is flowing through a conductor in a direction you might describe as straight into this page. What is the direction of the resulting magnetic field?
Answer: Option 2 Let'
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When a current carrying conductor is brought into magnetic field, the force that moves the conductor depends upon?
Answer: Option 1 Let'
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Hall effect is observed in a specimen when it is carrying current and is placed in a magnetic field. The resultant electric field inside the specimen is?
Answer: Option 1 Let'
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Hall effect is observed in a specimen (metal or semi conductor) when it is carrying current and is placed in a magnetic field. The resultant electric field inside the specimen is?
Answer: Option 1 Let'
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When a material is in superconducting state and a magnetic field is applied?
Answer: Option 3 Let'
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When an iron piece is placed in a magnetic field?
Answer: Option 2 Let'
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Directions : In each of the following questions a statement is given, followed by two conclusions. Give answer : Statements : Wind is an inexhaustible source of energy and an aerogenerator can convert it into electricity. Though not much has been done in this field, the survey shows that there is vast potential for developing wind as alternative source of energy. Conclusions : I. Energy by wind is comparatively newly emerging field. II. The energy crisis can be dealt by exploring more in the field of aero-generation.?
Answer: Option 5 The phrase 'not much has been done in this field' indicates that wind energy is a comparatively newly emerging field. So, I follows. The expression 'there is...
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Where should a boat compass be mounted?
Answer: Option 3 A compass, which is used to assist in navigation, is an instrument that shows magnetic north. You must apply a correction to determine the direction of true...
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While comparing magnetic and electric circuits, the flux of magnetic circuit is compared with which parameter of electrical circuit?
Answer: Option 2 Let'
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