In a magnetron the magnetic flux density is of the order of 1 mWb/s 1 Wb/m2 106

CuriousTab

CuriousTab

Home Aptitude

Discussion

Home ‣ Electronics and Communication Engineering ‣ Microwave Communication Comments

Question
In a magnetron the magnetic flux density is of the order of
Options
A. 1 mWb/s
B. 1 Wb/m²
C. 10⁶ m/s
D. 10¹² m/s

Correct Answer

1 mWb/s

Microwave Communication problems

Search Results

2. Effect of loading of line is
Options
A. increase in Z₀, a and ?
B. increase in Z₀ and ? but decrease in a
C. decrease in Z₀, a and ?
D. decrease in Z₀ and ? but increase in a

5. A 75 ohm line is first short terminated and minima locations are noted. Then the short is replaced by resistive load and minima location are again noted. If minima location are not altered and VSWR is 3, the value of resistive load is
Options
A. 25 ?
B. 50 ?
C. 225 ?
D. 250 ?

6. Assertion (A): Bolometer is frequently used in microwave power measurement.
Reason (R): In a bolometer the input microwave power causes a change in resistance.
Options
A. Both A and R are correct and R is correct explanation of A
B. Both A and R are correct but R is not correct explanation of A
C. A is correct but R is wrong
D. A is wrong but R is correct

7. The rotation of direction of E field of a linearly polarized wave passing through a magnetised ferric medium is called
Options
A. Lorentz rotation
B. Faraday rotation
C. Steinmitz rotation
D. Fleming's rotation

Comments

More in Electronics and Communication Engineering: