Ohm's Law Answers

0 verified answers1 views
3
Free Preview

Cici uses a long extension cord to plug a lamp into a wall outlet in the next room.What effect will the extension cord have on the circuit?

A
It will decrease the resistance of the circuit.
B
It will increase the voltage of the outlet.
C
It will increase the resistance in the circuit.
D
It will decrease the voltage of the outlet.
4
Free Preview

What is a path through which electric charges travel?

A
electric circuit
B
resistance
C
voltage
D
electric current
5

Current 1 of 8.4 A runs for 240 seconds and then stops. Current 2 is 10.5 A.How long does current 2 have to run to deliver the same amount of charge as current 1?

A
88.2 s
B
192 s
C
2016 s
D
21,000 s
7

What is the continuous flow of electric charge?

A
voltage
B
resistance
C
potential difference
D
current
8

What is the unit for measuring electric current?

A
volt
B
ampere
C
ohm
D
coulomb
9

Bruce collects the data on four electric circuits listed in the table. Bruce must report any circuits that deliver more than 4.0 C of charge in 8.0 s.Which lists every circuit that Bruce must include in his report?

Question illustration
A
X and Z
B
X and Y
C
W and Y
D
W and Z
10

Jason sees a news report about a traffic jam caused by a truckload of tires that spilled across the road. The next day in class, he uses the traffic jam as an analogy to explain electric circuits to his friend.Which is most likely the analogy that Jason used?

A
The cars represent moving charges, and the spilled tires represent an increased voltage that causes the current to decrease.
B
The cars represent moving charges, and the spilled tires represent an increased resistance that causes the current to decrease.
C
The tires represent moving charges, and the cars represent an increased resistance that causes the current to decrease.
D
The tires represent moving charges, and the cars represent an increased voltage that causes the current to decrease.

Did you find these answers helpful?