If
C = 36
F, determine the equivalent capacitance for the combination shown.
a.
36
F
b.
28
F
c.
14
F
d.
24
F
e.
33
F
[Ques. 2] What is the equivalent capacitance between points a and b? All capacitors are 5.0
F.
a.
2.6
F
b.
0.19
F
c.
3.0
F
d.
0.33
F
e.
0.13
F
[Ques. 3] An electron with velocity v = 2.0 106 m/s is sent between the plates of a capacitor where the electric field is E = 200 V/m. If the distance the electron travels through the field is 1.0 cm, how far is it deviated (Y) in its path when it emerges from the electric field? (me = 9.1 1031 kg, e = 1.6 1019 C)
a.
0.84 mm
b.
0.44 mm
c.
0.44 cm
d.
0.84 cm
e.
1.4 mm
[Ques. 4] There is a hollow, conducting, uncharged sphere with a negative charge inside the sphere. Consider the electrical potential at the inner and outer surfaces of the sphere. Which of the following is true?
a.
The potential on the inner surface is greater.
b.
The potential on the outer surface is greater.
c.
The potentials on both surfaces are zero.
d.
The potentials on both surfaces are equal but not zero.
[Ques. 5] A series RC circuit has a time constant of 1.0 s. The battery has a voltage of 50 V and the maximum current just after closing the switch is 500 mA. The capacitor is initially uncharged. What is the charge on the capacitor 2.0 s after the switch is closed?
a.
0.43 C
b.
0 66 C
c.
0.86 C
d.
0.99 C
[Ques. 6] A 1 000-V battery, a 3 000- resistor, and a 0.50-F capacitor are connected in series with a switch. The time constant for such a circuit, designated by the Greek letter, , is defined as the time that the capacitor takes to charge to 63 of its capacity after the switch is closed. What is the current in the circuit at a time interval of seconds after the switch has been closed?
a.
0.14 A
b.
0.21 A
c.
0.12 A
d.
0.32 A
[Ques. 7] A 1 000-V battery, a 3 000- resistor and a 0.50-F capacitor are connected in series with a switch. The time constant for such a circuit, designated by the Greek letter, , is defined as the time required to charge the capacitor to 63 of its capacity after the switch is closed. What is the value of for this circuit?
a.
6.0 10
9 s
b.
1.7 10
10 s
c.
1.7 10
7 s
d.
1.5 10
3 s
[Ques. 8] A 1 000-V battery, a 3 000- resistor, and a 0.50-F capacitor are connected in series with a switch. The capacitor is initially uncharged. What is the value of the current the moment after the switch is closed?
a.
0.39 A
b.
0.33 A
c.
0.84 A
d.
2 000 A
[Ques. 9] A circuit contains a 6.0-V battery, a 4.0- resistor, a 0.60-F capacitor, an ammeter, and a switch in series. What will be the charge on the capacitor 10 min after the switch is closed?
a.
zero
b.
0.10
C
c.
3.6
C
d.
2.4
C
[Ques. 10] A circuit contains a 6.0-V battery, a 4.0- resistor, a 0.60-F capacitor, an ammeter, and a switch all in series. What will be the current reading immediately after the switch is closed?
a.
zero
b.
0.75 A
c.
1.5 A
d.
10 A
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