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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 factbased, 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
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
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
b) 20
Q4. What is the value of negative sequence impedance?
a) 1
b) 0
c) Same as positive sequence
d) Infinity
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
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
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
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
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
b) Characteristic impedance
Q10. What is the value of input impedance of a quarterwave line 50 ohm and the load impedance of 20 ohms?
a) 25
b) 50
c) 75
d) 125
d) 125
Subjectwise Tricks Tips & Question with Solution PDFs
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