![Kirchoff’sRules: Junction Rule ,[object Object]](data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7)
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7. kirchhoff s_rules
- 4. I = 0 ( at any junction )
- 5. I is + when it enters a junction.
- 6. I is - when it enters a junction.
- 7. I = 0
- 8. I1 + I2 - I3= 0
- 9. I1 + I2 = I3I3
- 11. A loop is any closed conducting path.
- 12. V = 0 ( at any loop)
- 14. Examples: 2. In the circuit shown, find: (a) the current in resistor R; (b) the resistance R; (c) the unknown voltage V and (d) if the circuit is broken at point x, what is the current in resistor R? (Ans. (a)2.00 A, (b) 5.00 , (c) 42.0 V, (d) 3.5 A ) V=? a b
- 15. Examples: 3. Find the voltages V1 and V2 in the circuit below and find the potential difference of point b relative to a. (Ans. V1=18.0 V, V2=7.00 V, Vba=-13.0V.) V1=? V2=?
- 16. ---FIN---