The resistors in the above diagram have identical resistances. How does the current I3 through R3 compare with the current I through the battery? A, I3 = (2/3) I
B, I3 = 3I
C, I3 = I
D, I3 = (1/3) I

How would a small bar magnet be oriented when placed at position x?

You hang a book bag on a spring scale and place the bag on a platform scale so that the platform scale reads 23.7n and the spring scale reads 13.8n. what is the magnitude of the force that earth exerts on the bag?

What are the similarities & differences between a thermistor and a light dependent resistor in physics?