1. The time constant RC has a unit of     second/farad.     second/ohm.     1/second.     second/watt.     none of these   2. Four circuits have the form shown in the diagram below. The capacitor is initially uncharged and the switch S is open. Rank the circuits according to the current just after switch S is closed least to greatest. The values of the emf E, resistance R, and capacitance C for each of the circuits are (attached photo)

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Chapter1: Units, Trigonometry. And Vectors
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1. The time constant RC has a unit of

   

second/farad.

   

second/ohm.

   

1/second.

   

second/watt.

   

none of these

 

2. Four circuits have the form shown in the diagram below. The capacitor is initially uncharged and the switch S is open. Rank the circuits according to the current just after switch S is closed least to greatest. The values of the emf E, resistance R, and capacitance C for each of the circuits are (attached photo)

I
I
H
S
R
www
✓ E= 18V, R = 602, C = 9µF
✓ E = 18V, R = 30, C = 1 μF
E 12V, R 12, C = 7μF
✓ E = 10V, R = 502, C = 7μF
с
Transcribed Image Text:I I H S R www ✓ E= 18V, R = 602, C = 9µF ✓ E = 18V, R = 30, C = 1 μF E 12V, R 12, C = 7μF ✓ E = 10V, R = 502, C = 7μF с
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