1. A ______ is any closed conducting path in a circuit. RankResponses 1 2 3 4 5 6

2. The circuit to the right has how many junctions? RankResponses 1 2 3 4 5 6

3. The algebraic sum of the currents into any junction is _____. A.positive B.negative C.zero

4. Currents into a junction are _____; and currents out of a junction are _____. A.positive, positive B.positive, negative C.negative, positive D.negative, negative

5. The algebraic sum of the potential differences in any loop A.depends on emfs and resistors in the loop. B.depends only on the emfs in the loop. C.depends only on the resistors in the loop. D.is zero.

6. When traversing a loop, an emf is considered positive when you transverse it from A.+ to – B.– to + C.it does not matter, it can be + to – or – to +.

7. Traversing a resistor ______ yields a positive potential difference when applying Kirchhoff’s loop rule. A.in the direction of the current B.opposite the direction of current

8. To find the current through the 30 Ω resistor, the best loop to use is: A.the loop around the entire circuit. B.the inner left loop. C.the inner right loop.

9. Find the current through the 30 Ω resistor (in A). RankResponses 1 2 3 4 5 6

10. To find the current through the 20 Ω resistor, the best loop to use is: A.the loop around the entire circuit. B.the inner left loop. C.the inner right loop.

11. Find the current through the 20 Ω resistor (in A). RankResponses 1 2 3 4 5 6

12. Find the current through the 10.0 V battery (in A). RankResponses 1 2 3 4 5 6