# quiz3b - Name Class Date ID B quiz3-1bw10 Multiple Choice...

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Class: _________________ Date: _________ ID: B 1 quiz3-1bw10 Multiple Choice Identify the letter of the choice that best completes the statement or answers the question. ____ 1. A nichrome wire has a radius of 0.50 mm and a resistivity of 1.5 × 10 6 Ω⋅ m. If the wire carries a current of 0.50 A, what is the potential difference per unit length along this wire? a. 0.003 V/m b. 0.95 V/m c. 1.6 V/m d. 1.9 V/m e. 7.4 V/m ____ 2. Which resistor is in series with resistor R? a. R1 b. R2 c. R3 d. R4 e. None of the four resistors above is valid. ____ 3. An electric toaster requires 1 100 W at 110 V. What is the resistance of the heating coil? a. 7.5 Ω b. 9.0 Ω c. 10.0 Ω d. 11.0 Ω e. 13.0 Ω ____ 4. A 1 000-V battery, a 3 000- Ω resistor and a 0.50- μ 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.

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## This note was uploaded on 12/16/2010 for the course PHYS 1B PHYS 1B taught by Professor Levineherbert during the Spring '10 term at UCSD.

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quiz3b - Name Class Date ID B quiz3-1bw10 Multiple Choice...

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