135

73.

In the following problem, what is the value of ER?

Eapp = 200 volts

C charges for 1 RC time.

EC = 126 volts

ER =

volts

74

74.

Assign the proper value of RC time to each of the percentages of capacitor voltage

change listed below.

(1)

RC time = 90% change.

(2)

RC time = 10% change.

(3)

RC time = 100% change.

(4)

RC time = 63% change.

(1) 2.3

75.

Solve for the RC time constant.

(2) .1

C = .03 f

(3) 10

(4) 1

R = 220 ohms

t=

6. 6* *SEC