Question 1

A formula for VRMS is ________.

Accepted Answer

A)   2.8 × VP 
B)   2 × VP 
C)   0.707 × VPP 
D)   0.707 × VP  D

Question 2

Figure 8-2
-What is the approximate peak input voltage to the circuit in Figure 8-2?

Accepted Answer

A)   14.1 VP 
B)   20 VP 
C)   28.3 VP 
D)   10 VP  C

Question 3

Figure 8-2
-Calculate VR1 in Figure 8-2.

Accepted Answer

A)   13.2 VP 
B)   13.7 VP 
C)   6.84 VP 
D)   21.4 VP  D

Question 4

If four 0.022 ?F capacitors are connected in parallel, CT equals ________.

Accepted Answer

A)   0.049 ?F
B)   0.022 ?F
C)   0.044 ?F
D)   0.088 ?F

Question 5

Figure 8-2
-Find RT in Figure 8-2.

Accepted Answer

A)   4.7 k?
B)   4.77 k?
C)   6.2 k?
D)   1.13 k?

Question 6

If a 0.047 ?F, 0.047 ?F and 0.47 ?F capacitor are connected in series across a 25 V source, the total capacitance equals ________ and each 0.047 ?F capacitor drops ________.

Accepted Answer

A)   0.564 ?F, 1.2 V
B)   0.564 ?F, 11.9 V
C)   0.022 ?F, 11.9 V
D)   0.022 ?F, 25 V

Question 7

If a 10 k? resistor carries 5 mARMS of current, its voltage drop equals ________.

Accepted Answer

A)   7.07 VRMS 
B)   70.7 VRMS 
C)   5 VRMS 
D)   50 VRMS

Question 8

A 12 VP sine wave equals ________.

Accepted Answer

A)   7.64 VAVG 
B)   24 VPP 
C)   8.48 VRMS 
D)   all of these

Question 9

In a two-resistor series circuit VR1 = 6.5 VRMS and VR2 = 3.2 VRMS. The source voltage is ________.

Accepted Answer

A)   13.7 VP 
B)   9.19 VP 
C)   9.7 VP 
D)   4.53 VP

Question 10

If a 1 ?F, 2.2 ?F and 0.05 ?F capacitor are connected in series, CT is less than ________.

Accepted Answer

A)   0.001 ?F
B)   0.05 ?F
C)   1 ?F
D)   2.2 ?F

Question 11

The formula to convert degrees to radians is:

Accepted Answer

A)   radians =  × degrees.
B)   degrees =  × radians.
C)   180° = ? radians.
D)   all of these.

Question 12

Figure 8-2
-Calculate VR2 in Figure 8-2.

Accepted Answer

A)   4.84 VP 
B)   6.84 VP 
C)   6.84 VPP 
D)   13.15 VP

Question 13

7.07 VPP is approximately equal to 2.5 VRMS.

Accepted Answer

A) True 
 B)False

Question 14

Figure 8-2
-Calculate IT in Figure 8-2.

Accepted Answer

A)   9.12 mAPP 
B)   4.55 mAPP 
C)   3.22 mAPP 
D)   6.44 mAPP

Question 15

How much charge is stored in a 0.022 ?F capacitor that drops 22 V?

Accepted Answer

A)   48.4 ?C
B)   0.484 ?C
C)   4.84 ?C
D)   0.0484 ?C

Exam 4: Capacitors, Introduction to Alternating Current and Voltage

A formula for V_RMS is ________.

Figure 8-2 -What is the approximate peak input voltage to the circuit in Figure 8-2?

Figure 8-2 -Calculate V_R1 in Figure 8-2.

If four 0.022 ?F capacitors are connected in parallel, C_T equals ________.

Figure 8-2 -Find R_T in Figure 8-2.

If a 0.047 ?F, 0.047 ?F and 0.47 ?F capacitor are connected in series across a 25 V source, the total capacitance equals and each 0.047 ?F capacitor drops .

If a 10 k? resistor carries 5 mA_RMS of current, its voltage drop equals ________.

A 12 V_P sine wave equals ________.

In a two-resistor series circuit V_R1 = 6.5 V_RMS and V_R2 = 3.2 V_RMS. The source voltage is ________.

If a 1 ?F, 2.2 ?F and 0.05 ?F capacitor are connected in series, C_T is less than ________.

The formula to convert degrees to radians is:

Figure 8-2 -Calculate V_R2 in Figure 8-2.

7.07 V_PP is approximately equal to 2.5 V_RMS.

Figure 8-2 -Calculate I_T in Figure 8-2.

How much charge is stored in a 0.022 ?F capacitor that drops 22 V?

Exam 4: Capacitors, Introduction to Alternating Current and Voltage

A formula for VRMS is ________.

Figure 8-2 -What is the approximate peak input voltage to the circuit in Figure 8-2?

Figure 8-2 -Calculate VR1 in Figure 8-2.

If four 0.022 ?F capacitors are connected in parallel, CT equals ________.

Figure 8-2 -Find RT in Figure 8-2.

If a 0.047 ?F, 0.047 ?F and 0.47 ?F capacitor are connected in series across a 25 V source, the total capacitance equals ________ and each 0.047 ?F capacitor drops ________.

If a 10 k? resistor carries 5 mARMS of current, its voltage drop equals ________.

A 12 VP sine wave equals ________.

In a two-resistor series circuit VR1 = 6.5 VRMS and VR2 = 3.2 VRMS. The source voltage is ________.

If a 1 ?F, 2.2 ?F and 0.05 ?F capacitor are connected in series, CT is less than ________.

The formula to convert degrees to radians is:

Figure 8-2 -Calculate VR2 in Figure 8-2.

7.07 VPP is approximately equal to 2.5 VRMS.

Figure 8-2 -Calculate IT in Figure 8-2.

How much charge is stored in a 0.022 ?F capacitor that drops 22 V?

A formula for V_RMS is ________.

Figure 8-2 -Calculate V_R1 in Figure 8-2.

If four 0.022 ?F capacitors are connected in parallel, C_T equals ________.

Figure 8-2 -Find R_T in Figure 8-2.

If a 0.047 ?F, 0.047 ?F and 0.47 ?F capacitor are connected in series across a 25 V source, the total capacitance equals and each 0.047 ?F capacitor drops .

If a 10 k? resistor carries 5 mA_RMS of current, its voltage drop equals ________.

A 12 V_P sine wave equals ________.

In a two-resistor series circuit V_R1 = 6.5 V_RMS and V_R2 = 3.2 V_RMS. The source voltage is ________.

If a 1 ?F, 2.2 ?F and 0.05 ?F capacitor are connected in series, C_T is less than ________.

Figure 8-2 -Calculate V_R2 in Figure 8-2.

7.07 V_PP is approximately equal to 2.5 V_RMS.

Figure 8-2 -Calculate I_T in Figure 8-2.