Question
Offered Price $40.00

physics/astronomy quiz 4

Question # 00601498
Subject: Astronomy
Due on: 10/16/2017
Posted On: 10/10/2017 01:19 AM

Rating:
4.1/5
Expert tutors with experiences and qualities
Posted By
Best Tutors for school students, college students
Questions:
24
Tutorials:
22
Feedback Score:

Purchase it
Report this Question as Inappropriate
Question

Question 1

Magnetic fields are produced by moving electric charges.

True/False

Question 2

Pick the correct statement below.

sound consists of transverse waves

light waves require a medium to propagate

the speed of a wave depends on the medium it travels through

Question 3 

Which of the following is not an advantage of using AC?

easy to convert to any voltage

the flow of current is lower

the flow of current is greater

lower power loss than DC

Question 4 

Due to friction with the Earth's atmosphere, a large static electric charge could build up on a plummeting asteroid fragment. We would not expect this fragment to generate a magnetic field.

True/false

Question 5 

A moving electric charge will always experience a force in a magnetic field.

True/ False

Question 6 

The direction of the force felt by a positive electric charge moving in magnetic field is _____ .

in the same direction as the magnetic field

in the direction opposite the magnetic field

perpendicular to the direction both the magnetic field and the direction of motion

none of the above

Question 7 

Which statement below is correct?

voltage flows through a wire in an electric circuit

current flows through a wire in an electric circuit

both are correct

none are correct

Question 8 

The Doppler effect is the apparent change in the speed of a wave due to the motion of the source.

True/False

Question 9 

The amount of electric current that flows through a lamp that has a resistance of 15.0 Ohms and is connected to a 12.5 Volt battery is ____ Amps.

Only enter your numerical answer below - do not include units. Report your answer to 2 decimal places.

Answer:

Question 10 

Determine the output voltage for a transformer that has 104 turns in its primary and 498 turns in its secondary. The input voltage is 13.0 volts.

Only enter your numerical answer below - do not include units. Report your answer to 2 decimal places.

Answer

Question 11 

The amount of electric power used by a lamp that has a resistance of 17.0 Ohms and is connected to a 36.0 Volt battery is ____ Watts.

Only enter your numerical answer below - do not include units. Report your answer to 2 decimal places.

Answer:

Question 12 

A local FM radio station broadcasts at a frequency of 105.0 MHz. What is the wavelength, in meters, of the electromagnetic waves produced?

Only enter your numerical answer below - do not include units. Report your answer to 2 decimal places.

Answer:

Attempt Score:

Tutorials for this Question
Available for
$45.00

physics/astronomy quiz 4

Tutorial # 00599877
Posted On: 10/10/2017 01:21 AM
Posted By:
Best Tutors for school students, college students ubstella1
Expert tutors with experiences and qualities
Questions:
24
Tutorials:
22
Feedback Score:
Report this Tutorial as Inappropriate
Tutorial Preview ……
Attachments
physics_astronomy_quiz_4.docx (12.79 KB)
Preview: 8 xxxxxxxxxxx of xxx following is xxx an advantage xx using xxx xxxx to xxxxxxx to any xxxxxxx the flow xx current xx xxxxxxxxxxxx Responsethe xxxx of current xx greater lower xxxxx loss xxxx xxxxxxxxxx 48 x 8 pointsDue xx friction with xxx Earth's xxxxxxxxxxx x large xxxxxx electric charge xxxxx build up xx a xxxxxxxxxx xxxxxxxx fragment xx would not xxxxxx this fragment xx generate x xxxxxxxx field xxxxxxxxxxx ResponseFalseView FeedbackQuestion xx / 8 xxxxxxx moving xxxxxxxx xxxxxx will xxxxxx experience a xxxxx in a xxxxxxxx field xxxxxxxxxxx.....
Purchase this Tutorial @ $45.00 *
* - Additional Paypal / Transaction Handling Fee (3.9% of Tutorial price + $0.30) applicable
Loading...