Systems that share a common database are called integrated systems

The incubation period for a hepatitis B liver infection is ________ days

a. 15 to 30 b. 30 to 60 c. 60 to 90 d. 90 to 120

If 20 volts of potential difference causes a current of 5 amperes to flow in a parallel circuit, the resistance produced is

a. 1/100 ohm. b. 1/4 ohm. c. 4 ohms. d. 100 ohms.