# Radiation Resistance Online Exam Quiz

Radiation Resistance GK Quiz. Question and Answers related to Radiation Resistance. MCQ (Multiple Choice Questions with answers about Radiation Resistance

### Find the radiation resistance of a Hertzian dipole of length 1m and operating at a frequency 1MHz?

**Options**

A : 0.08?

B : 8.8m?

C : 8.8?

D : 0.88?

### In an antenna, the lower frequency limit is determined by pattern, gain or impedance.

**Options**

A : TRUE

B : FALSE

C : -

D : -

### Power radiated by half-wave dipole with maximum current amplitude 10A is __

**Options**

A : 3.65k?

B : 3.650?

C : 0.365k?

D : 36.50?

### Quality factor is defined as __

**Options**

A : 2??\frac{energy \,radiated\, per\, cycle}{Total\, energy\, stored\, by\, antenna}

B : 4??\frac{Total \,energy \,stored \,by\, antenna}{energy\, radiated\, per \,cycle}

C : 4??\frac{energy \,radiated\, per \,cycle}{Total \,energy\, stored \,by \,antenna}

D : 2??\frac{Total \,energy\, stored\, by \,antenna}{energy\, radiated \,per \,cycle}

### Radiation resistance doesn't depend on direction of power radiated but depends on the frequency.

**Options**

A : TRUE

B : FALSE

C : -

D : -

### Relation between Quality factor, Bandwidth, and resonant frequency is ___

**Options**

A : Q=\frac{BW}{f_0}

B : Q=\frac{f_0}{BW}

C : Q = BW?f0

D : Q=\frac{BW+f_0}{BW-f_0}

### The radiation resistance dissipates same amount of power as it radiated by the antenna.

**Options**

A : TRUE

B : FALSE

C : -

D : -

### What is the Bandwidth of the antenna operating at resonant frequency 200MHz with Quality factor 20?

**Options**

A : 10Hz

B : 5MHz

C : 10MHz

D : 0.1MHz

### What is the length of the half-wave dipole with bandwidth 20MHz and Quality factor 30?

**Options**

A : 5m

B : 0.25m

C : 0.50m

D : 2.5m

### What is the quality factor of the antenna operating at 650MHz and having a bandwidth of 10MHZ?

**Options**

A : 65

B : 0.65

C : 15

D : 55

### Antenna Bandwidth more Online Exam Quiz

Power Radiation from Half Wave Dipole

Frequency Independent Antenna - Design of LPDA

Frequency Independent Antenna - Working of LPDA