Multiple Choice
A light bulb is connected in the circuit shown in the figure with the switch S open.All the connecting leads have no appreciable resistance and the battery has no internal resistance.When we close the switch,which statements below accurately describe the behavior of the circuit? (There may be more than one correct choice.) 
A) The brightness of the bulb will increase.
B) The brightness of the bulb will decrease.
C) The brightness of the bulb will not change.
D) The potential drop across R2 will decrease.
E) The potential drop across R2 will not change.
Correct Answer:

Verified
Correct Answer:
Verified
Q5: A 5.0-Ω resistor and a 9.0-Ω resistor
Q15: The power rating of a 400-Ω resistor
Q18: A certain electric furnace consumes 24 kW
Q18: A silver wire has a cross sectional
Q31: Four resistors are connected across an 8-V
Q32: In the circuit shown in the figure,all
Q34: For the circuit shown in the figure,all
Q36: For the circuit shown in the figure,I
Q39: The emf and the internal resistance of
Q40: In a certain electroplating process gold is