Which of the following scenarios will cause the current to stop flowing within a circuit?
a. the switch within the closed circuit is opened.
b. insulating materials within the circuit are replaced with conducting materials.
c. the circuit is closed.
d. a wire connected to the voltage source runs from the negative to the positive terminal

What happens to light waves from a star as the star moves away from earth?

Give your knowledge of these things in your paper, you will compare and contrast analog and digital signals to determine which is more reliable for encoding and transmitting information. you’ll compare these features: signal shape numerical values for signal measurements amount of data that can be transmitted energy requirements privacy and security (ability of the signal to be encoded in a secret code) clarity of signal in the space provided, write down what you already know about any of these features. if you’re not sure, write down questions you might have about the features.

In a hydrogen molecule there are a total of four charges, 2 protons in the two nuclei, and 2 electrons. how many unique charge-pairs are there (without double counting)?