Problem (1) Ohm's Law
Consider the circuit shown in the figure. Answer the following questions:
1.2 mA (↓↓
-1
..............
a
a) What is the value of the current passing through the resistor?
....…..................
4.7 ΚΩ
(2 points)
c) For the resistor (R), determine the value of the power (PR).
..........
b) What is the value of the voltage across the resistor? Draw the signs on the
figure.
(2 points)
(2 points)
d) For the voltage source, use sign convention and determine the value of the
power (Psource).
(2 points)
e) Based on your answer in parts (c) and (d) for the resistor and the voltage
source. Which of them supplies power and which absorbs power?
(2 points)