1. The resistance of a 200-W light bulb, which is operated by a 110-V dc source, is about a) 60 2 b. 120 2 c. 130 2 d. 150 2 2. The force between two charges separated by a distance d is F. If the charges are pulled apart to a distance 4d, the force of interaction between two charges becomes а. 4F b. F/4 c. F/12 d. F/16 3. In one of the parking lots of University, three 100-W light bulbs are on for 10 hours per day. The total amount of electrical erfergy consumed per day is a. 2kWh b. 3 kWh c. 6 kWh d. 10 kWh
1. The resistance of a 200-W light bulb, which is operated by a 110-V dc source, is about a) 60 2 b. 120 2 c. 130 2 d. 150 2 2. The force between two charges separated by a distance d is F. If the charges are pulled apart to a distance 4d, the force of interaction between two charges becomes а. 4F b. F/4 c. F/12 d. F/16 3. In one of the parking lots of University, three 100-W light bulbs are on for 10 hours per day. The total amount of electrical erfergy consumed per day is a. 2kWh b. 3 kWh c. 6 kWh d. 10 kWh
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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1. The resistance of a 200-W light bulb, which is operated by a 110-V dc source, is
about
a) 60 2
b. 120 2
c. 130 2
d. 150 2
2. The force between two charges separated by a distance d is F. If the charges are
pulled apart to a distance 4d, the force of interaction between two charges
becomes
a. 4F
b. F/4
c. F/12
d. F/16
3. In one of the parking lots of University, three 100-W light bulbs are on for 10
hours per day. The total amount of electrical erfergy consumed per day is
c. 6 kWh
a. 2kWh
b. 3 kWh
d. 10 kWh
4. To charge an uncharged conductor negatively by using a given positively
charged object, you will use
a. conduction method
the ground
b. induction method
c. connect both conductor to
5. You released a proton and an electron in between two oppositely charged
parallel plate conductors. Proton is released from the positive side and electron
is released from the negative electrode side.
a. The electric force on proton> the electric force on electron
b. The electric force on proton = the electric force on electron
C. the electric force on electron < the electric force on electron
d. There is no electric force on proton and electron
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