A proton is moving in a circle due to an external magnetic field of 8 mT. What radius is this circle if the proton is traveling at 4e5 m/s? 3.89 m None of the above 3.2 mm 0.52 m 1.92 m A wire is carrying 2 mA of current in a direction into the page. What is the magnitude and direction of the magnetic field 3 cm to the right of the wire? 4.19e-8 upwards 1.33e-8 T downwards 1.83e-8 T upwards None of the above 4.97e-8 downwards How many total turns does a 20 cm long solenoid need in order to generate a magnetic field of 1 μT when 3 mA is running through the solenoid? 53 382 18 265 None of the above A circuit has a resistor with resistance equal to 8 Ω, a capacitor with capacitance 746 μF, and an inductor with inductance 8e-4 H. What is the total impedance of the circuit if the frequency of AC is 23 Hz? (10 points) 19.44 Ω 12.16 Ω 9.36 Ω 10.60 Ω None of the above How much charge is necessary for a point charge to generate an electric potential of 6 kV at a distance 2 m from the point charge? None of the above 8.32e-4 C 3e-6 C 3e3 C 1.33e-6 C What is the force on a proton which is 5 nm from an electron? 3.28e-9 N 5.76e7 N None of the above 4.62e-20 N 9.23e-12 N What is the critical angle for light leaving glycerin (n=1.473) and entering water (n=1.33)? Doesn’t exist 76.21 degrees 64.54 degrees None of the above 25.45 degrees

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Question

A proton is moving in a circle due to an external magnetic field of 8 mT. What radius is this circle if the proton is traveling at 4e5 m/s?

3.89 m

None of the above

3.2 mm

0.52 m

1.92 m

A wire is carrying 2 mA of current in a direction into the page. What is the magnitude and direction of the magnetic field 3 cm to the right of the wire?

4.19e-8 upwards

1.33e-8 T downwards

1.83e-8 T upwards

None of the above

4.97e-8 downwards

How many total turns does a 20 cm long solenoid need in order to generate a magnetic field of 1 μT when 3 mA is running through the solenoid?

382

265

None of the above

A circuit has a resistor with resistance equal to 8 Ω, a capacitor with capacitance 746 μF, and an inductor with inductance 8e-4 H. What is the total impedance of the circuit if the frequency of AC is 23 Hz? (10 points)

19.44 Ω

12.16 Ω

9.36 Ω

10.60 Ω

None of the above

How much charge is necessary for a point charge to generate an electric potential of 6 kV at a distance 2 m from the point charge?

None of the above

8.32e-4 C

3e-6 C

3e3 C

1.33e-6 C

What is the force on a proton which is 5 nm from an electron?

3.28e-9 N

5.76e7 N

None of the above

4.62e-20 N

9.23e-12 N

What is the critical angle for light leaving glycerin (n=1.473) and entering water (n=1.33)?

Doesn’t exist

76.21 degrees

64.54 degrees

None of the above

25.45 degrees

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