{[ promptMessage ]}

Bookmark it

{[ promptMessage ]}

1bb-quiz3_000

# 1bb-quiz3_000 - B 0.042 m/s C 0.067 m/s D 0.11 m/s 5 A...

This preview shows pages 1–3. Sign up to view the full content.

Exam Name___________________________________ MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1) The resistors in the circuit shown each have a resistance of 900 W . What is the equivalent resistance of the circuit? A) 3600 W B) 1800 W C) 900 W D) 225 W 2) A 2.0-m length of gold wire is connected to a 1.5-V battery, and a current of 9.0 mA flows through it. What is the diameter of the wire? The resistivity of gold is 2.24 x 10 -8 W œ m.) A) 18.6 m m B) 4.5 x 10 -11 m C) 8.6 m m D) 54 mm 3) In a certain electroplating process gold is deposited by using a current of 10 A for 15 minutes. An Au + ion has a mass of approximately 3.3 x 10 -22 g. How many grams of gold are deposited in this process? A) 12.3 B) 14.3 C) 18.6 D) 46.5 E) 9.20 4) The density of conduction electrons in aluminum is 2.1 x 10 29 m -3 . What is the drift velocity in an aluminum conductor that has a 3.0 m m by 4.0 m m rectangular cross section and when a 27.0-mA current flows through the conductor? A) 0.18 m/s

This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: B) 0.042 m/s C) 0.067 m/s D) 0.11 m/s 5) A rechargeable battery that is completely drained of electrical energy can be completely charged by applying 4.0 mA of current for 1.0 h. If the battery acquires an emf of 2.0 V in the process of being charged, how much energy is the battery capable of storing? A) 29 J B) 8.0 mJ C) 2.2 m J D) 0.50 kJ Figure 27.7 6) In Figure 27.7, what is the power dissipated in the 2 ohm resistance in the circuit ? A) 5.33 W B) 3.56 W C) 2.67 W D) 8.0 W E) 6.67 W 1 Figure 27.9 Initially, for the circuit shown, the switch S is open and the capacitor is uncharged. The switch S is closed at time t = 0. 7) In Figure 27.9, at a given instant, the potential difference across the capacitor is twice the potential difference across the resistor. At that instant, the charge on the capacitor, in m C, is closest to: A) 1200 B) 1400 C) 1800 D) 2000 E) 1600 2 Answer Key Testname: 1BB-QUIZ3 1) C 2) A 3) C 4) C 5) A 6) B 7) D 3...
View Full Document

{[ snackBarMessage ]}

### Page1 / 3

1bb-quiz3_000 - B 0.042 m/s C 0.067 m/s D 0.11 m/s 5 A...

This preview shows document pages 1 - 3. Sign up to view the full document.

View Full Document
Ask a homework question - tutors are online