Physics Quiz on Impedance for IIT JEE, NEET, Medical & Engineering Exam

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Physic Quiz on Impedance
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Physics Quiz on Impedance

Quiz on Impedance : Previous trends reveal that NEET aspirants find Physics as the most challenging section amongst the other sections. But most of them fail to decipher the reason behind this. This particularly can be as the candidates taking up this examination are predominantly medical aspirants with their subject of interest being Biology. Also, sections like Physics are more on theories, laws, numerical as opposed to Biology which is more of fact-based, life sciences and comprising of substantial explanations. In this post we are providing you quiz on Impedance.

Quiz on Impedance

 

Q1. The propagation constant of a transmission line with impedance and admittance of 9 and 16, respectively is _______.
a) 12
b) 25
c) 144
d) 96

View Answer

a) 12

Q2. What is the value of the characteristic impedance of a transmission line with impedance and admittance of 16 and 9?
a) 25
b) 1.33
c) 0.75
d) 13

View Answer

b) 1.33

Q3. A transmission line has a voltage of 24 V and a conduction current of 1.2 A. What will its receiving impedance?
a) 22
b) 20 
c) 24
d) 28

View Answer

b) 20

Q4. What is the value of negative sequence impedance?
a) 1
b) 0
c) Same as positive sequence
d) Infinity

View Answer

c) Same as positive sequence

Q5. The standing wave ratio is 4 for a transmission line of 75 ohms. What is the value of the minimum impedance?
a) 75
b) 18.75
c) 65.25
d) 150

View Answer

b) 18.75

Q6. What is the ratio of  characteristic impedance to the input impedance if the ratio of load voltage to the input voltage is given as 5 ?
a) 5
b) 1/5
c) 10
d) 1/10

View Answer

 

Q7. What is the normally chosen value of the characteristic impedance of a transmission line?
a) 25
b) 50
c) 75
d) both 50 and 75

View Answer

d) both 50 and 75

Q8. The maximum impedance of a transmission line 50 ohm and the standing wave ratio of 2.5 is______.
a) 25
b) 50
c) 75
d) 125

View Answer

d) 125

Q9. The value of input impedance for a matched line will be equal to ______.
a) Load impedance
b) Characteristic impedance
c) Output impedance
d) Zero

View Answer

b) Characteristic impedance

Q10. What is the value of input impedance of a quarter-wave line 50 ohm and the load impedance of 20 ohms?
a) 25
b) 50
c) 75
d) 125

View Answer

d) 125

 



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