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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: Magnetic Field of a Straight Wire, Circular Coil and Solenoid

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  • Questions count: 20
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1.
STEM Magnetic Force Problem 35: 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
2.
STEM Magnetic Force Problem 23: 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
3.
When an alternating voltage is applied to an AC circuit containing a pure inductor of inductance \(L\), the phase relationship is:
B) Current leads voltage by \(90^circ\)
A) Voltage and current are in phase
D) Voltage leads current by \(180^circ\)
C) Voltage leads current by \(90^circ\)
4.
STEM Compton Effect Problem 7: In the Compton scattering effect, when a high-energy X-ray photon collides with a free stationary electron, which change occurs to the scattered photon?
Its frequency decreases, its wavelength increases, and its speed remains strictly c (speed of light)
Its frequency increases and energy increases
Its mass increases while kinetic energy decreases
Its speed decreases significantly while wavelength remains constant
5.
STEM Magnetic Force Problem 36: 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
6.
STEM Compton Effect Problem 22: In the Compton scattering effect, when a high-energy X-ray photon collides with a free stationary electron, which change occurs to the scattered photon?
Its speed decreases significantly while wavelength remains constant
Its mass increases while kinetic energy decreases
Its frequency increases and energy increases
Its frequency decreases, its wavelength increases, and its speed remains strictly c (speed of light)
7.
STEM Compton Effect Problem 24: In the Compton scattering effect, when a high-energy X-ray photon collides with a free stationary electron, which change occurs to the scattered photon?
Its frequency decreases, its wavelength increases, and its speed remains strictly c (speed of light)
Its mass increases while kinetic energy decreases
Its frequency increases and energy increases
Its speed decreases significantly while wavelength remains constant
8.
STEM Compton Effect Problem 32: In the Compton scattering effect, when a high-energy X-ray photon collides with a free stationary electron, which change occurs to the scattered photon?
Its frequency increases and energy increases
Its speed decreases significantly while wavelength remains constant
Its frequency decreases, its wavelength increases, and its speed remains strictly c (speed of light)
Its mass increases while kinetic energy decreases
9.
STEM Compton Effect Problem 43: In the Compton scattering effect, when a high-energy X-ray photon collides with a free stationary electron, which change occurs to the scattered photon?
Its speed decreases significantly while wavelength remains constant
Its frequency increases and energy increases
Its mass increases while kinetic energy decreases
Its frequency decreases, its wavelength increases, and its speed remains strictly c (speed of light)
10.
STEM Compton Effect Problem 21: In the Compton scattering effect, when a high-energy X-ray photon collides with a free stationary electron, which change occurs to the scattered photon?
Its mass increases while kinetic energy decreases
Its frequency decreases, its wavelength increases, and its speed remains strictly c (speed of light)
Its speed decreases significantly while wavelength remains constant
Its frequency increases and energy increases
11.
STEM Compton Effect Problem 28: In the Compton scattering effect, when a high-energy X-ray photon collides with a free stationary electron, which change occurs to the scattered photon?
Its frequency increases and energy increases
Its speed decreases significantly while wavelength remains constant
Its frequency decreases, its wavelength increases, and its speed remains strictly c (speed of light)
Its mass increases while kinetic energy decreases
12.
STEM Magnetic Force Problem 7: 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
0.346 N
0.40 N
0.10 N
13.
A 3D holographic plate differs fundamentally from an ordinary 2D photograph because it records:
C) Only the shadow of the object
D) Thermal infrared radiation alone
B) Both the amplitude and phase difference of light waves via interference
A) Only light intensity and color
14.
STEM Magnetic Force Problem 8: 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
0.346 N
0.10 N
0.40 N
15.
STEM Magnetic Force Problem 22: 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?
0.10 N
0.20 N
0.40 N
0.346 N
16.
STEM Compton Effect Problem 20: In the Compton scattering effect, when a high-energy X-ray photon collides with a free stationary electron, which change occurs to the scattered photon?
Its frequency increases and energy increases
Its mass increases while kinetic energy decreases
Its frequency decreases, its wavelength increases, and its speed remains strictly c (speed of light)
Its speed decreases significantly while wavelength remains constant
17.
STEM Magnetic Force Problem 28: 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
18.
STEM Magnetic Force Problem 2: 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
19.
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?
0.40 N
0.346 N
0.10 N
0.20 N
20.
STEM Compton Effect Problem 38: In the Compton scattering effect, when a high-energy X-ray photon collides with a free stationary electron, which change occurs to the scattered photon?
Its frequency increases and energy increases
Its mass increases while kinetic energy decreases
Its speed decreases significantly while wavelength remains constant
Its frequency decreases, its wavelength increases, and its speed remains strictly c (speed of light)
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