Which of the following best characterizes electrical insulators?

a. high tensile strength
c. good heat conductors
b. charges on the surface don't move
d. electric charges move freely


B

Physics & Space Science

You might also like to view...

A baseball pitcher throws a fastball at 98 mph. He also has a slower "changeup" pitch, 75 mph, which he throws identically, same windup and same release angle from shoulder height. Which pitch gets to home plate with a flatter trajectory-i.e., velocity vector closer to horizontal?

A. The fastball B. The changeup C. They each have same trajectory, since the distance to home plate is the same

Physics & Space Science

An AM radio tuning circuit has a coil with an inductance of 3.93 mH and a capacitor set at 5.68 × 10^?12 F. What frequency will it detect?

a. 8.90E+5 Hz b. 1.07E+6 Hz c. 1.78E+6 Hz d. 1.70E+5 Hz e. 5.33E+5 Hz

Physics & Space Science

In the NSOM technique, the letter S stands for:

a. slow. c. scanning. b. small. d. swift.

Physics & Space Science

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

1. Events A and C are definitely causally connected

Physics & Space Science