Which of these is an electronic instrument that can plot voltage as it varies with time?
A. An electroscope
B. An oscilloscope
C. An ammeter
D. A galvanometer
Answer: B
You might also like to view...
A cluster containing a thousand or more galaxies, usually mostly ellipticals, scattered over a volume only a few Mpc in diameter is referred to as a(n) _____
A) elliptical galaxy cluster B) irregular galaxy cluster C) poor galaxy cluster D) rich galaxy cluster
If the sound level increases by 20 decibels, by about how much has the intensity of sound (in W/m2) increased?
A. 2 times B. 10 times C. 20 times D. 100 times E. 200 times F. Some other factor (specify)
In our part of the universe, antimatter is
A) non-existent. B) plentiful. C) short-lived. D) long-lived.
The universe has been expanding at the same rate since its formation
Indicate whether the statement is true or false