The sum of currents entering equals the sum of currents leaving
The sum of voltages equals zero
Current is constant in a closed loop
Power is conserved in a circuit
Kirchhoff's Current Law (KCL) states that the total current entering a junction must equal the total current leaving that junction.
Questions & Step-by-step Solutions
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Q
Q: What does KCL state about currents at a junction?
Solution: Kirchhoff's Current Law (KCL) states that the total current entering a junction must equal the total current leaving that junction.
Steps: 5
Step 1: Understand what a junction is. A junction is a point where two or more electrical paths meet.
Step 2: Know what current is. Current is the flow of electric charge in a circuit.
Step 3: Recognize that KCL is a rule about how current behaves at a junction.
Step 4: KCL states that the total amount of current flowing into the junction must be equal to the total amount of current flowing out of the junction.
Step 5: This means if you add up all the currents going into the junction, it should equal the sum of all the currents going out.
