An object becomes positively charged by gaining protons. True or False True False

Which of the following is not part of the nucleus of an atom? Electron Noutron Proton

The piezoelectric crystal of a transducer typically has an impedance higher than the impedance of skin. True False

Can the Doppler effect be observed with longitudinal waves or with transverse waves? Longitudinal only Neither Both Transverse only

What is torque? The advantage gained by using a mechanism to transmit force A gear that is connected to motor or other input force A robot that gets mobility from wheels, tank treads or another method The measure of a force causing

The pressure in a tire is observed to rise after a car has been driven 5 miles. This is an example of __ Law. Charles' Boyle's

Electrical resistance is normally measured in newtons. volts. amperes. joules. none of the above

Question 19 When you purchase a water pipe in a hardware store, water is not included. When you purchase copper wire, electrons may fall out, which is why wires are insulated. already exist in the wire. must be supplied by you, just as water in a water pipe. none of the above

To keep chickens warm in a shed on a cold night, it is best to use a fluorescent lamp. an incandescent lamp. a CFL lamp. an LED lamp.

When your left fender is lined up with the lane boundary, approximately how many feet from the left edge of your lane will you be? 4 ft. 1 ft. 3 ft. 2 ft.

The factor which has the most control over image density is: kVp (kilovotage peak) mA (milliamperage) film speed film brand