A transistor is preferable to a triode valve when used in amplifier because it
i) Can withstand large changes in tempratures
ii) has a higher input impedance
iii)can handle larger powers
(iv) does not require powers
Which of the above statements is correct?

Options

A. Only (i), (ii), and (iii) are correct
B. Only (i), and (iii) are correct
C. Only (ii) and (iv) are correct
D. Only (vi) is correct.

Answer

D

Explanation

A transistor is preferable to a triode valve when used in amplifier because it does not require a power.