Which of the following components of an electrical circuit is a source of voltage?
a. a switch
b. a battery
c. a resistor
d. a light bulb

If y gets smaller as x gets bigger and y have an relationship?

What’s #16 asking me and how do i solve it?

Estimate the schwarzschild radius (in kilometers) for a mini-black hole formed when a superadvanced civilization decides to punish you (unfairly) by squeezing you until you become so small that you disappear inside your own event horizon. (assume that the your weight is 50 kg)