ElectroMagnetic InductionHard
Question
Air cored choke coil and electric bulb are connected in series with A.C. mains. A soft iron rod is inserted in coil then the intensity of electric bulb will :-
Options
A.decrease
B.increase
C.fluctuate
D.remain unchanged
More ElectroMagnetic Induction Questions
The mass of a specimen of a ferromagnetic material is 0.6 kg. and its density is 7.8 × 103 kg/m3. If the area of hy...A coil of area 100cm2 has 500 turns magnetic field of 0.1 weber/meter2 is perpendicular to the coil. The field is reduce...A long wire is in north-south direction, it is dropped freely towards earth, then no potential difference is induced bet...The magnetic susceptibility of a paramagnetic substance is 3 × 10-4. It is placed in a magnetising field of 4 ×...In ac circuit when ac ammeter is connected it reads i current if a student if a student uses dc ammeter in plane of ac a...