Four unequal resistors are connected in a parallel with each other. Which one of the following statements is correct about this combination? a. The total resistance is less than the smallest resistor.
b. The total resistance is equal to the average of the resistances of all the resistors.
c. The total resistance is more than the largest resistor.
d. None of the other answers is correct.

Which of the following correctly describes what happens when an atomic bomb explodes? small pieces of fissionable material are joined and form a body with a mass greater than the critical mass, the relative number of neutrons escaping decreases, and a chain reaction and explosion result. large pieces of fissionable matter are brought together quickly and form a body with a mass smaller than the critical mass, the relative number of escaping neutrons increases, and a chain reaction and explosion result.