Question

32. Explain the working of semiconductor diode in forward and reverse bias.
VI. Answer any THREE of the following questions:
3 x 5 = 15
33. Two charges 15nC and 20nC placed at vertex of an equilateral triangle of side 5cm.
- What is the electric field at the third vertex?
18x103 yul
34. A conductor of length 1.3m placed in a magnetic field of 0.4T. Length of conductor
makes an angle 45° with the direction of magnetic field, it will experience a force of 2N.
Calculate current in the conductor.
SAA
5.449
35. A circuit containing a 100mH inductor, 60uF capacitor and 150 resistor in series is
connected to a 230V, 50Hz supply. Calculate impedance and power factor power
absorbed.
36. In Young's double slit experiment the distance between the slits is 1.2mm and screen is
0.9m from the slits. If the wavelength of light used is 800nm, calculate fringe width. What
is the percentage of change in fringe width if entire apparatus immersed in water of
R.I. =1.33.
B = 600X106 AB= 1.988104
AB= 1.988104 2:25
.
37. Calculate energy of electron in second orbit of hydrogen atom. Mass of electron
9.10109 kg, charge of electron is 1.6x10-C, Planks constant is 6,625*10-4 js,
Permitivity of free space is 8.854x10-2 Fm'.
5.54 eV
563
n. 454xro
E - h²80
8 nape?
a 45491X LOGA​

Answer 1

Answer:

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