The first row of a certain determinant has the numbers 3 and 5. The second row has the numbers 7 and 2. The value of this determinant is

Find branch current IR2.

A. 5.4 mA

B. -5.4 mA

C. 113.0 mA

D. 119.6 mA

The branch current method uses.

A. Kirchhoff's voltage and current laws

B. Thevenin's theorem and Ohm's law

C. Kirchhoff's current law and Ohm's law

D. The superposition theorem and Thevenin's theorem

In assigning the direction of branch currents.

A. The directions are critical

B. The directions are not critical

C. They must point into a node

D. They must point out of a node

The first row of a certain determinant has the numbers 3 and 5. The second row has the numbers 7 and 2. The value of this determinant is

A. 31

B. -31

C. 39

D. -29