Electricity

Question 1

What is Kirchhoff’s First Law?

Answer 1

Kirchhoff’s First Law (Current Law) states that the current flowing into a junction must be equal to the current flowing out of it.
This is a consequence of charge conservation.

Question 2

What is Kirchhoff’s Second Law?

Answer 2

Kirchhoff’s second law (Voltage Law) states that in any complete loop within a circuit, the sum of all EMF’s in a loop of a circuit must equal the sum of all the voltages across the other components in the same loop.
This law is a consequence of both charge conservation and the conservation of energy.

Question 3

What is Ohm’s Law?

Answer 3

Ohm’s law states that the voltage across a conductor is directly proportional to the current flowing through it, provided all physical conditions and temperatures remain constant.