33:

An inductor :
(ക allows ac to pass but blocks de (B) allows dc to pass but blocks ac
(C) allows both ac and de to pass (D) blocks de

34. The operating cost of ten 100 W lamps at their rated voltage for 20 hours at the rate of

Rs. 2,50 per unitis :
(^) 75. 5.00 (18) ಗೂ. 20.00
() ೫೩. 40.00 (D) Rs: 50.00

35. The cheapest system of internal wiring is :

36.

(^) Cleat wiring (8) Casing tapping wiring
(0) CTS or TRS wiring (0) Conduit wiring
A de to ac converter is called :
(ക) Dual converter (B) Inverter
(C) Chopper (1) Cyclo-converter

87. 1] ‏فط‎ PIV across each diode of a bridge rectifier is 28.3 V ¢alculate its average dc value ;

ക 141V (ए) 34V
(C) 283V D) 1801V

88. Select the incorrect statement about CDMA :

(A) All users accupy the same bandwidth
(3) Itis used by GBM

(C) It utilize spread spectrum technique
(D) All users assigned separate codes

39, Which of the material is used to make an infrared emitting LED?

(A) GaP © GaAsp
(C) GaAs (2) None of these
40. If the crystal frequency of 8051 is 16 megahertz, then time taken to execute an one eycle
instruction is :
മ 08545 ‏مم مع رق‎
)0 12.5 5 യു 15.5 05
41. Which “M” is not connected with management process?
(A) Man (B) Machine
(C) Modernisation (D) Materials
7 051/2016

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