Kirchoff\'s Rules a) In the circuts above how many junction rule equations can b

Question

Kirchoff's Rules

a) In the circuts above how many junction rule equations can be written to solve for the electric currents in the circuits?

b)In the circuit above, how many junction points are there?

c)In the circuit above, how many loop rule equitions can be written to solve for the electric currents in the cuicit?

d)In the circuit above, how many potential drops are in the loop b ? c ? d ? h ? b?

e)In the circuit above, what is the correct junction rule equation for point b ?

f)In the circuit above, for the d ? e branch, is there a electric potential drop or potential increase?

g)At any junction point in a circuit, the sum of currents running toward the junction equals the sum of currents running out of the junction.

True

False

h) For the circuit above, which of the following equation is the correct loop rule equation for loop d?e?f?h?d?

Please lablel them correctly when solving

Explanation / Answer

a)     Seven   junction rule equations can be written to solve for the electric currents in the circuits .

b)    Four junction points are there .

c)     Three loop rule equitions can be written to solve for the electric currents in the cuicit .

d)   Four potential drops are in the loop b ? c ? d ? h ? b .

e)    correct junction rule equation for point b

    => I1 = I2 + I3

f)    For the d ? e branch, there is a electric potential drop .

g)   At any junction point in a circuit, the sum of currents running toward the junction equals the sum of currents running out of the junction   - TRUE

h)   equation is the correct loop rule equation for loop d?e?f?h?d

=> I6 * R2 - I5 * R6 + I4 * R7 = 0

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