The dielectric losses do not depend on frequency. True False Dielectric losses v

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Question
The dielectric losses do not depend on frequency.
Options
A. True
B. False

Correct Answer

False

Explanation

Dielectric losses vary with frequency.

More questions

1. The system in the given figure, has
Options
A. good gain and phase margin
B. poor gain and phase margin
C. good gain margin but poor phase margin
D. poor gain margin but good phase margin

2. Stepper motors find applications in
Options
A. X-Y plotters
B. numerically controlled machining equipment
C. printers
D. all of the above

3. Whether a linear system is stable or unstable that it
Options
A. is a property of the system only
B. depends on the input function only
C. both (a) and (b)
D. either (a) or (b)

4. If antenna diameter is increased four times, the maximum range is increased by a factor of
Options
A. 2
B. 2
C. 4
D. 0.2

8. As the temperature increases the mobility of electrons __________ .
Options
A. decreases because the number of carries increases with increased collisions
B. increases because the number of carries decreases with decreased collisions
C. remains same
D. none of the above

10. RF amplifiers are used in radio receivers for
Options
A. improved image frequency rejection
B. improved rejection of adjacent unwanted signals
C. prevention of re-radiation of the local oscillator through the antenna of the receiver
D. all of the above

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