Answer to Question 1
You can connect to the Internet using one of four broadband connections:
Fiber optics uses thin glass or plastic strands that transmit data at the speed of light. Fiber optics is very fast, but performance can be affected by demand. It is more expensive than other options.
Cable is available through a cable television provider. The data lines are shared with other users, so performance can slow during peak usage times. Pricing is competitive and often bundled with other services.
Digital Subscriber Line (DSL) is available through local telephone service providers. The lines are not shared with others, so performance is not affected by demand. However, performance is dependent on your location relative to the central switching office. Like cable, pricing is competitive and often bundled with other services.
Satellite is best used when other broadband options are not available or too expensive. Satellite uses data transmission that accesses satellites orbiting the earth and require a satellite dish placed outside, which is then connected by a modem by cable.
Answer to Question 2
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For the circuit in Figure 1, assume ideal diodes. The peak inverse voltage is approximately