PLEASE TYPE ANSWERS

TYPE your numeric answers rounded to three significant digits, in engineering notations with the metric prefixes on the dotted lines.

Q1) Calculate the current and the power in the following circuits; (4 points for each value)

A) V = 9 V. R = 750 . I = . P = .

B) V = 12 V. R = 60 k. I = . P = .

C) V = 120 V. R = 420 k. I = . P = .

Q2) Calculate the voltage and the power in the following circuits; (4 points for each value)

A) I = 6.67 mA. R = 750 . V = P =

B) I = 100 A. R = 60 k. V = P =

C) I = 480 A. R = 250 k. V = P =

Q3) Calculate the resistance and the power in the following circuits; (4 points for each value)

A) I = 6.67 mA. V = 5 V. R = P =

B) I = 250 A. V = 60 V. R = P =

C) I = 450 A. V = 9 k. R = P =

Q4) Increasing the resistance in a circuit and keeping the same applied voltage . (7 points)

A) Increases the current flowing through the resistor

B) Decreases the current flowing through the resistor

C) Cannot be determined, depends on applied voltage.

D) Does not affect the current value

Q5) Raising the voltage across a resistor . (7 points)

A) Increases the current flowing through the resistor

B) Decreases the current flowing through the resistor

C) Increases the resistance

D) Decreases the resistance

E) None of the above

Q6) An open circuit can be represented by . (7 points)

A) A resistor with an infinite value.

B) A resistor with zero value.

C) A continuous wire.

D) None of the above.

Q7) Which of the following formulas does not represent Ohms law? (7 points)

A) V = IR

B) I = R/V

C) I = V/R

D) R = V/I