- Normal to both current and magnetic field
- In the same direction as current
- In a direction anti parallel to magnetic field
- 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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Piezoelectricity means the slight change in dimensions of a specimen when an electric field is applied.?
Answer: Option 1 Let'
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When a dielectric is placed in an electric field the field strength?
Answer: Option 1 Let'
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A conductor of length L has current I passing through it, when it is placed parallel to a magnetic field. The force experienced by the conductor will be?
Answer: Option 1 Let'
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A specimen of aluminium metal when observed under microscope shows?
Answer: Option 2 A specimen of aluminium metal when observed under microscope shows F.C.C. crystal structure
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A certain amount of current flows through a ring shaped coil with fixed number of turns. How does the magnetic induction B varies inside the coil if an iron core is threaded into coil without dimensional change of coil?
Answer: Option 2 Let'
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Direction : Two statements I and II are given. These statement may be either independent causes or may be effects of independent causes or a common cause. One of these statements may be the effect of the other statements. Read both the statements and decide which of the following answer choice correctly depicts the relationship between these two statements. Mark answer : I. The university authority has instructed all the colleges under its jurisdiction to ban use of all phones inside the college premises. II. Majority of the teachers of the colleges signed a joint petition to the university complaining the disturbances caused by cell phone ring-tones inside the classrooms.?
Answer: Option 2 Clearly, the university's decision came as a sequel to the complaint received by it from the college teachers against use of mobile phones in the college premises.
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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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