- Normal to both current and magnetic field
- In the direction of current
- Antiparallel to magnetic field
- In arbitrary direction
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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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Piezoelectricity means the slight change in dimensions of a specimen when an electric field is applied.?
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 dielectric is placed in an electric field the field strength?
Answer: Option 1 Let'
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When an iron piece is placed in a magnetic field?
Answer: Option 2 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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How does the magnetic compass needle behave in a magnetic field?
Answer: Option 3 Let'
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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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