ECET 299 AC & DC Week 9 Final Attempt

MC
(TCO 1) Week 9, Final Attempt 3

Express 50
milliamp in
engineering
notation.(7
points)


-3
50 x 10 A

-2
5.0 x 10 A


5.0 A

+3
50 x 10 A
D99000189

Instructor Explanation: Boylestad, Chapter 1.7


MC +6 Week 9, Final Attempt 3
(TCO 1) The engineering prefix symbol for 1 x 10 (7 points)




k.


M.


m.

μ.


Instructor Explanation: Boylestad, Chapter 1.7


MC Week 9, Final Attempt 3
(TCO 1) The engineering notation for 1.0 p is(7 points)


1 x 10-12.

-9
1 x 10 .

-6
1 x 10 .

-3
1 x 10 .

Instructor Explanation: Boylestad, Chapter 1.7

, (TCO 1) Express 0.05 F as pF.(7 points) Week 9, Final Attempt 3
MC




0.05 pF


50 pF


50,000 pF

-8
5 x 10 pF

Instructor Explanation: Boylestad, Chapter 1.7


MC Week 9, Final Attempt 3
(TCO 1) Express 5000 kV as MV.(7 points)


0.005 MV


5.0 MV


50 MV


50,000 MV

Instructor Explanation: Boylestad, Chapter 1.7


(TCO 1) What is the result of 250 mV  50 μV?(7 points) Week 9, Final Attempt 3
MC




5 μV/V


5 mV/V


5 V/V

5 kV/V



Instructor Explanation: Boylestad, Chapter 1.8


MC
(TCO 1) What is the equation for Ohm’s Law?(7 points) Week 9, Final Attempt 3

, Instructor Explanation: Boylestad, Chapter 4.2


MC
(TCO 1) The current in a circuit is 1 amp. What is the current when the Week 9, Final Attempt 3

voltage is decreased by 80%?(7 points)

1.8 A


0.2 A


8.0 A


2.2 A

Instructor Explanation: Boylestad, Chapter 4.2


MC Week 9, Final Attempt 3
(TCO 1) A series circuit has a voltage supply of 6 V and a resistor of 2.0
kΩ. How much power is dissipated by the resistor?(7 points)

0.003 W


0.018 W


12 kW


72 kW

Instructor Explanation: Boylestad, Chapter 4.2


MC
(TCO 1) A 10 Ω resistor is connected across a 12V battery. How much Week 9, Final Attempt 3

current flows through the resistor?(7 points)