1) Which situation(s) describe(s) a battery putting out the largest amount of po

Question

1) Which situation(s) describe(s) a battery putting out the largest amount of power? (SELECT ALL THAT APPLY)

A) 3 V battery putting out 2 A

B) 6 V battery putting out 1.5 A

C) 18 V battery putting out 0.33 A

D) 9 V battery putting out 1 A

2. Kirchhoff's Laws: (SELECT ALL THAT APPLY)

A) The total current into a junction equals the total current out of the junction

B) The current weakens as you move through each circuit element

C) The voltage into a junction equals to voltage out of the junction

D) The voltage drop across all elements in a circuit is the same

E) The sum of all currents around a loop is zero

F) The sum of all voltage changes around a loop is zero

Explanation / Answer

1.

Power is given by

P=VI

where V is voltage and I is current

A.P=3*2=6 Watts

B.P=6*1.5=9 Watts

C.P=18*0.33=5.94 Watts

D.P=9*1=9 Watts

Therefore answers are B and D

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