Starting Electronics

Starting

electronics

Quiz

Answers at end of book

1 The value of a

capacitor

with

two plates of overlapping

area

40 cm^, separated by a

5

mm layer of air is:

a

7.2 pF

b 7.2 X 10-^2pp

c

72 pF

d

100 μF

e a and b

f

none of these

2

A

capacitor

of 1 nF has a

voltage of 10 V applied

across

it, The maximum

charge

stored is:

a

1 X

lO-i^c

b 1 X 10«C

c

10 X 10-«C

d

1 X

10-8

F

e a and c

f

none of these

3

A

capacitor

of 10 μF and a

resistor

of 1 ΜΩ are

combined in a

capacitor/

resistor

charging circuit.

The

time constant is:

a

1 second

b 10

X10^

second

c

10 seconds

d

not

possible

to calculate

from

these figures

e none of these

4

A

capacitor

is

fully

charge ...