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# clicker21 - By what factor does this change the capacitive...

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3/1/2010 1 Quiz Qn. 1 An inductor, battery, resistance, and ammeter and switch are connected in series. If the switch, initially open, is now closed, what is the current’s final value? 1. zero 2. battery voltage divided by inductance 3. battery voltage times inductance 4. battery voltage divided by resistance Quiz Qn. 2 What is the rms current value for an AC current with an amplitude of 10 A? 1. 28 A 2. 3.1 A 3. 7.1 A 4. 14 A

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3/1/2010 2 The outlet voltage can be 1. Positive and negative, depending on time 2. 0, depending on time 3. Larger than the average voltage 4. All of the above Quiz Qn. 3 The frequency in an AC series circuit is doubled.

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Unformatted text preview: By what factor does this change the capacitive reactance? 1. 1/2 2. 1/4 3. 2 4. 4 Quiz Qn. 4 3/1/2010 3 The reactance of an inductor 1. changes with frequency of the source 2. has Ampere as its unit 3. is constant with respect to frequency 4. all the above Quiz Qn. 5 For an inductor, the inductive reactance 1. changes with frequency 2. has as its unit. 3. has a current and voltage shifted by 90 o 4. all of the above Qn. 6 3/1/2010 4 Quiz Qn. 7 Find the resonant frequency for a series RLC circuit where R = 20.0 , C = 10.0 F, and L = 4.0 mH. 1. 507 Hz 2. 796 Hz 3. 1.59 kHz 4. 5.00 kHz...
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## This note was uploaded on 03/15/2010 for the course PHY 102 taught by Professor Luo during the Spring '08 term at SUNY Buffalo.

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clicker21 - By what factor does this change the capacitive...

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