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103.
Match List I (Characteristic to be Obtained) with List II (Arrangement of Radiators) and select the correct answer using the codes given below
List I
A. Concentration of radiation in azimuth
B. Concentration of radiation in elevation
C. Bi-directional patternList II
1. Two radiators spaced 3λ/4 apart and
fed with currents having 180° phase
difference
2. Two radiators spaced λ/4 apart and fed
with currents having 90° phase
difference
3. Radiators arranged to form broadside
array with horizontal array line
4. Radiators arranged to form broadside array with vertical array line
b. A→3, B→4, C→2
c. A→3, B→1, C→2
d. A→2, B→1, C→3
asked in Electronics Paper-1, 2004
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104.
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105.
A voltmeter has a range 0 - 20 V and manufacturer rates its accuracy as ±1% fsd. Match List I (Voltage Values) with List II (Error as Percentage of True Value) and select the correct answer using the codes given below
List I
A. 2V
B. 5V
C. 10 V
D. 20 VList II
1. 4%
2. 10%
3. 2%
4. 1%
b. A→2, B→1, C→3, D→4
c. A→2, B→4, C→3, D→1
d. A→3, B→4, C→2, D→1
asked in Electronics Paper-1, 2004
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106.
Match List I (Properties of Standard Resistance Materials) with List II (Resistance Quality) and select the correct answer using the codes given below
List I
A. High resistively
B. Small temperature coefficient
C. Permanence with time
D. Low thermo-electric e.m.f. with copperList II
1. Low measuring error
2. Small change of resistance due to ageing
3. Resists oxidation and corrosion
4. Low resistance change with
temperature
5. Small size of resistor
b. A→2, B→1, C→3, D→4
c. A→5, B→1, C→2, D→4
d. A→5, B→4, C→2, D→1
asked in Electronics Paper-1, 2004
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107.
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108.