PHYS-102HW-06SUM-08

PHYS-102HW-06SUM-08 - PHYS-102 HOMEWORK-06 SOLUTIONS _...

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PHYS-102 HOMEWORK-06 SOLUTIONS ______________________________________________ Chapter-21 Electric Current P21.40 Using Kirchhoff’s rules, 12.0 0.010 0 () I 1 0.060 0 I 3 = 0 10.0 + 1.00 I 2 0.060 0 I 3 = 0 and I 1 I 2 I 3 = 0 or I 1 = I 2 + I 3 then 12.0 0.010 0 I 2 0.070 0 ( ) I 3 = and I 2 = 0.06 I 3 10 FIG. P21.40 Solving simultaneously, 12 0.01 ( ) 0.06 I 3 10 ( ) 0.07 I 3 = I 2 = 0.283 A downward in the dead battery and I 3 = 171 A downward in the starter. The currents are forward in the live battery and in the starter, relative to normal starting operation. The current is backward in the dead battery, tending to charge it up. P21.41 (a) RC = 1.00 × 10 6 Ω 5.00 × 10 6 F ( ) = 5.00 s (b)
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This note was uploaded on 09/03/2008 for the course PHYS 102 taught by Professor N/a during the Spring '08 term at Drexel.

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PHYS-102HW-06SUM-08 - PHYS-102 HOMEWORK-06 SOLUTIONS _...

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