In order for a circuit to respond quickly, its time constant ...

[mp14]

In order for a circuit to respond quickly, its time constant should be short. In a circuit involving resistance and capacitance, which of the following choices would result in the shortest time constant?
 a. R = 75 W, C = 75 mF
  c. R = 300 W, C = 75 mF
  b. R = 200 W, C = 200 mF
  d. R = 100 W, C = 30 mF

Question 2

A solid object is made of two materials, one material having density of 2000 kg/m3 and the other having density of 8000 kg/m3 . If the object contains equal volumes of the materials, what is its average density?
 a. 3000 kg/m3
  c. 5000 kg/m3
  b. 3200 kg/m3
  d. more information is needed

[coyin]

Answer to Question 1

D

Answer to Question 2

C

[mp14]

Excellent

[bblaney]

TYSM