Physics Test 4

Test 4 Part 1

40 cards   |   Total Attempts: 182
  

Cards In This Set

Front Back
Compared to ultraviolet waves, the wavelength of infrared waves is...
Longer.
Materials generallyh become warmer when light is...
Absorbed by them.
Moving electric charges will interact with...
An electric force or a magnetic field.
To say that electric charge is conserved is to say that electrc charge...
Can neither be created nor destroyed.
A device that transforms electrical energy to mechanical energy is a...
Motor.
The complementary color of blue is...
Yellow.
The voltage across the input terminals of a transformer is 110 V. The primary has 50 loops and the secondary has 25 loops. The voltage the transformer puts out is...
55 V.
When a light switch is turned on in a dc circuit, the average speed of electrons in the lamp is...
Less than 1 cm/s.
A conductor differs from an insulator in that a conductor...a)has more protons than electrons. b) has faster moving molecules. c) has more energy than an insulator. d) has more electrons than protons.
None.
Thrust a magnet into a coil of wire and the coil...
Becomes an electromagnet and has a current in it.
Electrons are made to flow in a wire when there is...
A potential difference across its ends.
A sheet of red paper will look black when illuminated with...
Cyan light.
The electric field around an isolated electron has a certain strength 1 cm from the electron. The electric field strength 2 cm from the electron is....a) half as much. b) four times as much. c) the same. d) twice as much.
None.
The fact that you can get sunburned while submerged in water is evidence that water ...
Transmits ultraviolet light.
Connect a pair of lamps in series and you draw current from the connected battery. Connect the same lamps in parallel and you draw...
More current.