Assertion (A): For transmission lines, having their length equal to odd multiples of $\left( {\frac{\lambda }{4}} \right),$ the following expressions are given sin βL = ±1 and cos βL = 0.Reason (R): Under the above conditions, i.e. for odd multiples of Quarter wavelengths the input impedance becomes equal to $Z = \frac{{{Z_0}.\cos h\left( {\alpha L} \right)}}{{\sin h\left( {\alpha L} \right)}}.$

Question

Assertion (A): For transmission lines, having their length equal to odd multiples of $\left( {\frac{\lambda }{4}} \right),$ the following expressions are given sin βL = ±1 and cos βL = 0.Reason (R): Under the above conditions, i.e. for odd multiples of Quarter wavelengths the input impedance becomes equal to $Z = \frac{{{Z_0}.\cos h\left( {\alpha L} \right)}}{{\sin h\left( {\alpha L} \right)}}.$

TuteeHUB · Accepted Answer

(A) is false, but (R) is true.

TuteeHUB · Answer

Both (A) and (R) are true and (R) is the correct explanation of (A).

TuteeHUB · Answer

Both (A) and (R) are true, but (R) is not the correct explanation of (A).

TuteeHUB · Answer

(A) is true, but (R) is false.

1.	Assertion (A): For transmission lines, having their length equal to odd multiples of \(\left( {\frac{\lambda }{4}} \right),\) the following expressions are given sin βL = ±1 and cos βL = 0.Reason (R): Under the above conditions, i.e. for odd multiples of Quarter wavelengths the input impedance becomes equal to \(Z = \frac{{{Z_0}.\cos h\left( {\alpha L} \right)}}{{\sin h\left( {\alpha L} \right)}}.\)
A.	Both (A) and (R) are true and (R) is the correct explanation of (A).
B.	Both (A) and (R) are true, but (R) is not the correct explanation of (A).
C.	(A) is true, but (R) is false.
D.	(A) is false, but (R) is true.
Answer» D. (A) is false, but (R) is true.

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