Questions: #6
Problems: #21, 31, 33, 45, 54, 65
1)
In the circuit at left, bulbs A-E are identical.
a) Rank these bulbs according to brightness. Explain your
reasoning.
b) A student uses a piece of wire to short circuit bulb C. When this is done, will the
brightness of bulb A increase, decrease, or remain the same? Explain your
reasoning.