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Physics

Chapter 1 - Electric Current, Ohms Law and Kirchhoffs Laws

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Chapter 2 - Magnetic Effects of Electric Current and Measuring Instruments

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Chapter 3 - Electromagnetic Induction and AC Dynamo and Transformer

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Chapter 4 - Alternating Current AC Circuits

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Chapter 5 - Dual Nature of Wave and Particle

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Chapter 6 - Atomic Spectra and X-Rays

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Chapter 7 - Lasers and Principles

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Chapter 8 - Modern Electronics and Semiconductors

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Quiz

Lesson 1 Quiz: Hydrogen Atomic Emission Spectrum and Production of X-Rays

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1.
STEM Kirchhoff's Laws Problem 27: In a closed circuit junction, currents I1 = 2 A and I2 = 3 A flow toward junction A, while I3 = 1 A flows away. According to Kirchhoff's First Law (KCL), what is the magnitude and direction of the remaining current I
4 A flowing toward junction A
2 A flowing toward junction A
6 A flowing away from junction A
4 A flowing away from junction A
2.
STEM Magnetic Force Problem 41: A straight conductor of length 0.50 m carries a current of 4.0 A in a uniform magnetic field of flux density 0.20 T. What is the magnetic force acting on the wire when it is inclined at 30° to the field lines?
0.346 N
0.40 N
0.20 N
0.10 N
3.
STEM Kirchhoff's Laws Problem 34: In a closed circuit junction, currents I1 = 2 A and I2 = 3 A flow toward junction A, while I3 = 1 A flows away. According to Kirchhoff's First Law (KCL), what is the magnitude and direction of the remaining current I
4 A flowing toward junction A
2 A flowing toward junction A
6 A flowing away from junction A
4 A flowing away from junction A
4.
STEM Magnetic Force Problem 29: A straight conductor of length 0.50 m carries a current of 4.0 A in a uniform magnetic field of flux density 0.20 T. What is the magnetic force acting on the wire when it is inclined at 30° to the field lines?
0.20 N
0.10 N
0.346 N
0.40 N
5.
STEM Magnetic Force Problem 32: A straight conductor of length 0.50 m carries a current of 4.0 A in a uniform magnetic field of flux density 0.20 T. What is the magnetic force acting on the wire when it is inclined at 30° to the field lines?
0.40 N
0.10 N
0.20 N
0.346 N
6.
STEM Kirchhoff's Laws Problem 10: In a closed circuit junction, currents I1 = 2 A and I2 = 3 A flow toward junction A, while I3 = 1 A flows away. According to Kirchhoff's First Law (KCL), what is the magnitude and direction of the remaining current I
4 A flowing toward junction A
2 A flowing toward junction A
6 A flowing away from junction A
4 A flowing away from junction A
7.
STEM Kirchhoff's Laws Problem 35: In a closed circuit junction, currents I1 = 2 A and I2 = 3 A flow toward junction A, while I3 = 1 A flows away. According to Kirchhoff's First Law (KCL), what is the magnitude and direction of the remaining current I
4 A flowing toward junction A
4 A flowing away from junction A
2 A flowing toward junction A
6 A flowing away from junction A
8.
STEM Magnetic Force Problem 5: A straight conductor of length 0.50 m carries a current of 4.0 A in a uniform magnetic field of flux density 0.20 T. What is the magnetic force acting on the wire when it is inclined at 30° to the field lines?
0.40 N
0.10 N
0.20 N
0.346 N
9.
STEM Kirchhoff's Laws Problem 37: In a closed circuit junction, currents I1 = 2 A and I2 = 3 A flow toward junction A, while I3 = 1 A flows away. According to Kirchhoff's First Law (KCL), what is the magnitude and direction of the remaining current I
4 A flowing away from junction A
6 A flowing away from junction A
4 A flowing toward junction A
2 A flowing toward junction A
10.
STEM Magnetic Force Problem 30: A straight conductor of length 0.50 m carries a current of 4.0 A in a uniform magnetic field of flux density 0.20 T. What is the magnetic force acting on the wire when it is inclined at 30° to the field lines?
0.40 N
0.10 N
0.346 N
0.20 N
11.
STEM Kirchhoff's Laws Problem 5: In a closed circuit junction, currents I1 = 2 A and I2 = 3 A flow toward junction A, while I3 = 1 A flows away. According to Kirchhoff's First Law (KCL), what is the magnitude and direction of the remaining current I4
4 A flowing away from junction A
6 A flowing away from junction A
4 A flowing toward junction A
2 A flowing toward junction A
12.
STEM Kirchhoff's Laws Problem 25: In a closed circuit junction, currents I1 = 2 A and I2 = 3 A flow toward junction A, while I3 = 1 A flows away. According to Kirchhoff's First Law (KCL), what is the magnitude and direction of the remaining current I
6 A flowing away from junction A
2 A flowing toward junction A
4 A flowing away from junction A
4 A flowing toward junction A
13.
STEM Kirchhoff's Laws Problem 12: In a closed circuit junction, currents I1 = 2 A and I2 = 3 A flow toward junction A, while I3 = 1 A flows away. According to Kirchhoff's First Law (KCL), what is the magnitude and direction of the remaining current I
6 A flowing away from junction A
2 A flowing toward junction A
4 A flowing away from junction A
4 A flowing toward junction A
14.
STEM Magnetic Force Problem 17: A straight conductor of length 0.50 m carries a current of 4.0 A in a uniform magnetic field of flux density 0.20 T. What is the magnetic force acting on the wire when it is inclined at 30° to the field lines?
0.40 N
0.346 N
0.10 N
0.20 N
15.
STEM Kirchhoff's Laws Problem 8: In a closed circuit junction, currents I1 = 2 A and I2 = 3 A flow toward junction A, while I3 = 1 A flows away. According to Kirchhoff's First Law (KCL), what is the magnitude and direction of the remaining current I4
6 A flowing away from junction A
2 A flowing toward junction A
4 A flowing away from junction A
4 A flowing toward junction A
16.
STEM Kirchhoff's Laws Problem 40: In a closed circuit junction, currents I1 = 2 A and I2 = 3 A flow toward junction A, while I3 = 1 A flows away. According to Kirchhoff's First Law (KCL), what is the magnitude and direction of the remaining current I
4 A flowing toward junction A
2 A flowing toward junction A
4 A flowing away from junction A
6 A flowing away from junction A
17.
STEM Magnetic Force Problem 4: A straight conductor of length 0.50 m carries a current of 4.0 A in a uniform magnetic field of flux density 0.20 T. What is the magnetic force acting on the wire when it is inclined at 30° to the field lines?
0.20 N
0.40 N
0.346 N
0.10 N
18.
STEM Kirchhoff's Laws Problem 26: In a closed circuit junction, currents I1 = 2 A and I2 = 3 A flow toward junction A, while I3 = 1 A flows away. According to Kirchhoff's First Law (KCL), what is the magnitude and direction of the remaining current I
4 A flowing toward junction A
2 A flowing toward junction A
4 A flowing away from junction A
6 A flowing away from junction A
19.
STEM Magnetic Force Problem 26: A straight conductor of length 0.50 m carries a current of 4.0 A in a uniform magnetic field of flux density 0.20 T. What is the magnetic force acting on the wire when it is inclined at 30° to the field lines?
0.40 N
0.346 N
0.10 N
0.20 N
20.
STEM Magnetic Force Problem 14: A straight conductor of length 0.50 m carries a current of 4.0 A in a uniform magnetic field of flux density 0.20 T. What is the magnetic force acting on the wire when it is inclined at 30° to the field lines?
0.40 N
0.10 N
0.346 N
0.20 N
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