10 Draw ೩ schematic layout of LT switch board.

PART- B
Answer anyfourfull Questions 4x10 —40 marks

Il a. Compute current through the segment X and Y shown in the
figure below. (4)
b. Determine unknown voltage Vx. given in the figure, so
that the current supplied (6) by the 20V source is zero
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0 9
12 a. 0514 nodal analysis, find power consumption of 10 9

13

resistor in the circuit (7) given below

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Whataré helissimiities of électric and magnetic circuits? ‏ا‎ (3

a. An iron ring of cross sectional area 6 cm’ is wound with a
wire of i 00 turns and the (6) ring has a saw cut of 2 mm
shown below. Calculate the magnetizing current required to
produce a flux of 0.1 mWb if mean length of magnetic path is
30 cm and relative permeability of iron is 470.Neglect

magnetic leakages and fringing.