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प्रश्न
What do you mean by self-induction?
उत्तर
If the magnetic flux is changed by changing the current, an emf is induced in that same coil. This phenomenon is known as self-induction.
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संबंधित प्रश्न
When the current changes from +2A to −2A in 0.05 s, an emf of 8 V is induced in a coil. The co-efficient of self-induction of the coil is
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Define self-inductance of a coil interms of
- magnetic flux and
- induced emf
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Give the physical significance of self-inductance of a coil.
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Determine the self-inductance of 4000 turn air-core solenoid of length 2m and diameter 0.04 m.
Two air core solenoids have the same length of 80 cm and same cross–sectional area 5 cm2. Find the mutual inductance between them if the number of turns in the first coil is 1200 turns and that in the second coil is 400 turns.
