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Unformatted text preview: 1. The peak current through a capacitor is 2.0 A. What is the peak current if: (i) the capacitance C is doubled? or, (ii) the peak emf o is doubled? or, (iii) the angular frequency is doubled? Note for each of the above cases only the specified variable is being changed; the other two variables retain their original values. Each case is independent and is unaffected by preceding cases. Stud ent Res pon se Valu e Corr ect Ans wer Fee dba ck A. (i) 1.0 A, (ii) 2.0 A, (iii) 4.0 A 2. The peak current through a resistor is 2.0 A. What is the peak current if: (i) the resistance R is doubled? or, (ii) the peak emf o is doubled? or, (iii) the angular frequency is doubled? Note for each of the above cases only the specified variable is being changed; the other two variables retain their original values. Each case is independent and is unaffected by preceding cases. Stud ent Res pon se Valu e Corr ect Ans wer Fee dba ck A. (i) 1.0 A, (ii) 1.0 A, (iii) 2.0 A 3. The peak current passing through an inductor is 2.0 A. What is the peak current if: (i) the inductance L is doubled? or, (ii) the peak emf o is doubled? or, (iii) the angular frequency is doubled? Note for each of the above cases only the specified variable is being changed; the other two variables retain their original values. Each case is independent and is unaffected by preceding cases. Stud ent Res pon se Valu e Corr ect Ans wer Fee dba ck A. (i) 4.0 A, (ii) 1.0 A, (iii) 1.0 A 4. The reactance of a capacitor is 2.4 k at a frequency of 1.5 kHz. What is the capacitance? Express your answer in units of nF (nanoFarads)...
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 Spring '09
 SOMEONE
 Capacitance, Current

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