# In a loop antenna, the effect of unbalanced current can be eliminate

1.  Unbalanced current

2.  Night error

3.  Distributed capacitance

4.  All of these

4

Distributed capacitance

Explanation :
No Explanation available for this question

# Function of Adcock antenna is to eliminate

1.  Unbalanced current

2.  Night error

3.   Distributed capacitance

4.   All of these

4

Night error

Explanation :
No Explanation available for this question

# The drawback of Adcock antenna is that

1.  Its output voltage is very small

2.  It cannot eliminate nigh error

3.  It is not accurate

4.   It is not basically a loop antenna

4

Its output voltage is very small

Explanation :
No Explanation available for this question

# If a series inductances is added to load an antenna, then electrical length of the antenna

1.   Increases

2.  Decreases

3.  Remains same

4.  Depends on the resonant frequency

4

Increases

Explanation :
No Explanation available for this question

# An antenna with lower Q has

1.  Greater bandwidth

2.  Smaller bandwidth

3.  Higher distortion

4.  Lower distortion

4

Greater bandwidth

Explanation :
No Explanation available for this question

# Match List-I with List-II and select the correct answer using the codes given below the lists: List-I List-II A.Transfer function of a lag network 1. a-1.(sI-A)-1 b. State transition Matrix for X =Ax 2. c. Matrix for X=Ax 3. d. Steady state error of type –I system with step-input 4. a-1(sA-I)-1 5. 6.K(1+sT) 7.Zero 8.∞

1.   A B C D  1  2  4  5

2.   A B C D  2  3  1  4

3.   A B C D  5  4  6  8

4.   A B C D  2  1  3  7

4
 A B C D 2 1 3 7

Explanation :
No Explanation available for this question

# A log periodic antenna is a

1.  Frequency dependent antenna

2.  Frequency independent antenna

3.  Directional antenna

4.  None of the above

4

Frequency independent antenna

Explanation :
No Explanation available for this question

# Antenna commonly used for microwave links are

1.  Loop antennas

2.   Log periodic antennas

3.  Paraboloidal dishes

4.  Rhombic antennas

4

Paraboloidal dishes

Explanation :
No Explanation available for this question

# Match List-I with List-II and select the correct answer using the codes given below the lists : List- I (synchros) List –II (special feature) A. Transmitter 1. Delta connected rotor B. Differential transmitter 2. Umbrella shaped rotor C. control transformer 3. Damping free rotor D. Repeater 4. Three-phase rotor 5. Salient pole rotor

1.   A B C D  5  4  2  1

2.   A B C D  2  5  4  1

3.   A B C D  5  4  2  3

4.   A B C D  3  4  2  1

4
 A B C D 5 4 2 1

Explanation :
No Explanation available for this question

# The transmitting antenna generally used for medium wave broadcast is

1.  Grounded vertical mast antenna

2.  Horizontal wire type

3.  Parabolic reflector type

4.  None of these

4