In the given figure, an inductor and a resistor are connected in series with a battery of emf  E volt.  Ea2b​J/s represents the maximum rate at which the energy is stored in the magnetic field (inductor). The numerical value of  ba will be ______.

An inductor L and a resistor R are connected in series with a direct current source of emf E. The maximum rate at which energy is stored in the magnetic field is

A coil of inductance 1H and resistance 100  Ω is connected to a battery of 6 V. Determine approximately:(A) The time elapsed before the current acquires half of its steady – state value.(B) The energy stored in the magnetic field associated with the coil at instant 15 m s after the circuit is switched on. (Given In 2 = 0.693, e–3/2 = 0.25)

A steady current is passing through a coil, magnitude of self- induced emf in it,will be:A. zero ⃝ B. maximum

A square loop of side 10 cm and resistance 0.7Ω is placed vertically in east-west plane. A uniform magnetic field of 0.20 T is set up across the plane in north east direction. The magnetic field is decreased to zero in 1 s at a steady rate. Then, magnitude of induced emf is x√×10−3 V. The value of x is _____

An inductor has inductance of 0.280 HH and carries a current that is decreasing at a uniform rate of 15.0 mA/smA/s .Part AFind the self-induced emf in this inductor.Express your answer in millivolts.