WPT

Which type of wave requires a material medium through which to travel?

sound

television

radio

x-ray

The diagram below represents a transverse wave traveling to the right through a medium. Point A represents a particle of the medium. In which direction will particle A move in the next instant of time?

A beam of light has a wavelength of 4.5,10-7 m in a vacuum and travels at 3x10$ m/5. The frequency of this light is\fA 9-volt battery is connected to a 4-ohm resistor and a 5-ohm resistor as shown in the diagram below. 4.0 Q 9.0 V 5.0 0 MM What is the current in the 5-ohm resistor?In which circuit would current flow through resistor , but not through resistor do when switch S is open? O R R2 S O R2 S O S R2 O W R2 2In which circuit would the current be the greatest. Assume that all resistors are identical. O 12V R O 12V R MMM R O 12V O R 12V R R\fWhat is the total current in a circuit consisting of six operating 100-watt lamps connected in parallel to a 120-volt source? OSA O 20 A O 600 A 12,000 A Question 6 The circuit diagram below represents four resistors connected to a 12-volt source. R, =4.0 0 R, = 6.0 0 12 V Rg = 8.0 0 W- RA = 6.0 Q What is the total current in the circuit? O 0.50 A O 20A O 8.6 A O 24 AAs the number of resistors in a parallel circuit is increased, what happens to the equivalent resistance of the circuit and total current in the circuit? O Both equivalent resistance and total current decrease. O Both equivalent resistance and total current increase. O Equivalent resistance decreases and total current increases. O Equivalent resistance increases and total current decreases. Question 8 24-V R, =400