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Related Questions

• Two pure inductors each of self inductance L are connected in parallel but are well separated from each other. The total inductance is

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• The equivalent inductance of two inductances is 2.4 henry when connected in parallel and 10 henry when connected in series. The difference between the two inductances is

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• In circular coil, when no. of turns is doubled and resistance becomes $\frac{1}{4}th$ of initial, then inductance becomes

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• When the number of turns and the length of the solenoid are doubled keeping the area of cross-section same, the inductance

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• A solenoid has 2000 turns wound over a length of 0.30 metre. The area of its cross-section is $1.2 \times {10^{ - 3}}{m^2}$. Around its central section, a coil of 300 turns is wound. If an initial current of 2 A in the solenoid is reversed in 0.25 sec, then the e.m.f. induced in the coil is

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