Question : One serious drawback of semi-conductor devices is
A. they do not last for long time.
B. they are costly
C. they cannot be used with high voltage.
D. they pollute the environment.
Answer:C
Question : One serious drawback of semi-conductor devices is
A. they do not last for long time. B. they are costly C. they cannot be used with high voltage. D. they pollute the environment.