Options:
(1)
(2)
(3)
(4)
Answer: (2)
Solutions:
Q-2 In a LCR oscillatory circuit find the energy stored in inductor at resonance. If voltage of source is and resistance is and inductance.
Options:
(1)
(2)
(3)
(4)
Answer: (1)
Solutions:
At resonance current
Energy of inductor
Q-3: is given to e. in 4th orbit then find its final energy when it comes out of H-atom
Options:
(1)
(2)
(3)
(4)
Answer: (1)
Solutions:
Energy of 4th orbit of
So energy release = total energy. Ionization energy of 4th orbit
Q-4: For a toroid,, and area of cross section. Find inductance
Options:
(1)
(2)
(3)
(4)
Answer: (1)
Solutions:
Image Toroid, Radius
If we flow a current I, then
Q-5: Find BE per nucleon of where m
Options:
(1)
(2)
(3)
(4)
Answer: (2)
Solutions:
Binding energy per nucleon