42. In the figure magnetic energy stored in the coil is 28 10 V 20 ww (a) Zero (c) 25 joules (b) Infinite (d) None of the above

Lymph is without (a) Leucocytes (b) Plasma (c) Erythrocytes (d) None of the above

Lymph is without (a) Leucocytes (b) Plasma (c) Erythrocytes (d) None of the above

In a series LCR circuit with an ac source of 50 V,R=300 Omega ,frequency v=50/piHz .The average electric field energy, stored in the capacitor and average magnetic energy stored in the coil are 25 mJ and 5 mJ respectively.The RMS current in the circuit is 0.10 A .Then find

In a series LCR circuit with an ac source of 50 V,R=300 Omega ,frequency v=50/piHz .The average electric field energy, stored in the capacitor and average magnetic energy stored in the coil are 25 mJ and 5 mJ respectively.The RMS current in the circuit is 0.10 A .Then find

If 3/4 is equivalent to x/(28), then the value of x is (a) 6 (b) 7 (c) 8 (d) None of the above

Calculate the self-inductance of a coil of 100 turns, if a current of 2A gives rise to magnetic flux of 50muWb through the coil. Also calculate the magentic energy stored in the medium surrounding the coil for the above value of current.

A coil of inductance 1 H and resistance 10Omega is connected to a resistanceless battery of emf 50 V at time t=0 . Calculate the ratio of rthe rate which magnetic energy is stored in the coil to the rate at which energy is supplied by the battery at t=0.1s .

A coil of inductance 1 H and resistance 10Omega is connected to a resistanceless battery of emf 50 V at time t=0 . Calculate the ratio of rthe rate which magnetic energy is stored in the coil to the rate at which energy is supplied by the battery at t=0.1s .