Answer the following statement(s) true (T) or false (F)

1. Equation E18.4 is also solved by a function f (s), where s = t + x/c.

2. One can in principle create a purely electric traveling electromagnetic wave in empty space




1. TRUE
2. FALSE

Physics & Space Science

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Two resistors of 5.0 and 9.0 ? are connected in parallel. A 4.0-? resistor is then connected in series with the parallel combination. A 6.0-V battery is then connected to the series-parallel combination

(a) What is the current through the 4.0-? resistor? (b) What is the current through the 5.0-? resistor? (c) What is the current through the 9.0-? resistor?

Physics & Space Science

The magnetic field and the number of turns of a coil of wire are doubled, while its area is reduced by a factor of 2. Assuming that all the other parameters remain the same, what happens to the induced emf in that coil of wire?

A) It is doubled. B) It is reduced by a factor of 2. C) It is quadrupled. D) It is reduced by a factor of 4. E) It stays the same.

Physics & Space Science

The Lewis symbol •X• would be characteristic of which group?

a. 2A b. 4A c. 6A d. 1A

Physics & Space Science

A high tide is occurring at Charleston, South Carolina (45°W, 64°N). Which listed longitude is experiencing a low tide occurring?

a. 135°E b. 65°E c. 45°E d. 45°W e. 145°W

Physics & Space Science