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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: Faradays Law of Induction, Lenzs Law and EMF in a Moving Wire — Picture questions (exam style)

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  • Questions count: 14
  • Passing grade: 60%
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1.
The graph shows the flux through a coil of 100 turns. Which option is correct?
The graph shows the flux through a coil of 100 turns. Which option is correct?
emf in stage 1 = 0.5 V, current in the last stage is the same as the first, e₃ : e₁ = 1 : 2
emf in stage 1 = 100 V, current in the last stage is opposite to the first, e₃ : e₁ = 4 : 1
emf in stage 1 = 50 V, current in the last stage is opposite to the first, e₃ : e₁ = 2 : 1
emf in stage 1 = 0.5 V, current in the last stage is opposite to the first, e₃ : e₁ = 1 : 4
2.
A coil (200 turns, 10.0 cm2) with its plane perpendicular to a 0.8 T field is turned a quarter-turn in 0.2 s so its plane is parallel to the field. Average e.m.f.?
A coil (200 turns, 10.0 cm²) with its plane perpendicular to a 0.8 T field is turned a quarter-turn in 0.2 s so its plane is parallel to the field. Average e.m.f.?
1.60 V
4.00×10−3 V
0.0320 V
0.800 V
3.
A coil (100 turns, 40.0 cm2, total resistance 8 Ω) is perpendicular to a field varying as tabulated. Find the charge that flows between t = 0.1 s and t = 0.4 s.
A coil (100 turns, 40.0 cm², total resistance 8 Ω) is perpendicular to a field varying as tabulated. Find the charge that flows between t = 0.1 s and t = 0.4 s.
1.28 C
0.0500 C
0.0200 C
2.00 C
4.
The graph shows the flux through a coil of 100 turns. Which option is correct?
The graph shows the flux through a coil of 100 turns. Which option is correct?
emf in stage 1 = 50 V, current in the last stage is opposite to the first, e₃ : e₁ = 1 : 1
emf in stage 1 = 50 V, current in the last stage is the same as the first, e₃ : e₁ = 1 : 2
emf in stage 1 = 50 V, current in the last stage is opposite to the first, e₃ : e₁ = 1 : 2
emf in stage 1 = 0.5 V, current in the last stage is the same as the first, e₃ : e₁ = 2 : 1
5.
The graph shows the flux through a coil of 200 turns. Which option is correct?
The graph shows the flux through a coil of 200 turns. Which option is correct?
emf in stage 1 = 600 V, current in the last stage is opposite to the first, e₃ : e₁ = 2 : 1
emf in stage 1 = 1200 V, current in the last stage is opposite to the first, e₃ : e₁ = 1 : 1
emf in stage 1 = 1200 V, no current in the last stage, e₃ : e₁ = 1 : 2
emf in stage 1 = 600 V, current in the last stage is opposite to the first, e₃ : e₁ = 1 : 1
6.
The graph shows the flux through a coil of 200 turns. Which option is correct?
The graph shows the flux through a coil of 200 turns. Which option is correct?
emf in stage 1 = 200 V, current in the last stage is opposite to the first, e₃ : e₁ = 8 : 1
emf in stage 1 = 200 V, current in the last stage is the same as the first, e₃ : e₁ = 1 : 16
emf in stage 1 = 200 V, current in the last stage is opposite to the first, e₃ : e₁ = 4 : 1
emf in stage 1 = 1 V, no current in the last stage, e₃ : e₁ = 1 : 16
7.
The graph shows the flux through a coil of 200 turns. Which option is correct?
The graph shows the flux through a coil of 200 turns. Which option is correct?
emf in stage 1 = 1 V, current in the last stage is opposite to the first, e₃ : e₁ = 1 : 1
emf in stage 1 = 200 V, current in the last stage is opposite to the first, e₃ : e₁ = 1 : 1
emf in stage 1 = 200 V, current in the last stage is the same as the first, e₃ : e₁ = 2 : 1
emf in stage 1 = 400 V, current in the last stage is opposite to the first, e₃ : e₁ = 1 : 1
8.
The graph shows the flux through a coil of 100 turns. Which option is correct?
The graph shows the flux through a coil of 100 turns. Which option is correct?
emf in stage 1 = 1 V, current in the last stage is the same as the first, e₃ : e₁ = 2 : 1
emf in stage 1 = 100 V, current in the last stage is opposite to the first, e₃ : e₁ = 1 : 2
emf in stage 1 = 100 V, no current in the last stage, e₃ : e₁ = 1 : 4
emf in stage 1 = 100 V, no current in the last stage, e₃ : e₁ = 2 : 2
9.
The graph shows the flux through a coil of 100 turns. Which option is correct?
The graph shows the flux through a coil of 100 turns. Which option is correct?
emf in stage 1 = 200 V, no current in the last stage, e₃ : e₁ = 1 : 4
emf in stage 1 = 1 V, current in the last stage is opposite to the first, e₃ : e₁ = 2 : 2
emf in stage 1 = 100 V, current in the last stage is opposite to the first, e₃ : e₁ = 4 : 1
emf in stage 1 = 100 V, current in the last stage is opposite to the first, e₃ : e₁ = 2 : 1
10.
The graph shows the flux through a coil of 100 turns. Which option is correct?
The graph shows the flux through a coil of 100 turns. Which option is correct?
emf in stage 1 = 100 V, current in the last stage is opposite to the first, e₃ : e₁ = 1 : 1
emf in stage 1 = 1 V, current in the last stage is the same as the first, e₃ : e₁ = 1 : 1
emf in stage 1 = 200 V, current in the last stage is the same as the first, e₃ : e₁ = 1 : 1
emf in stage 1 = 200 V, no current in the last stage, e₃ : e₁ = 1 : 2
11.
The graph shows the flux through a coil of 100 turns. Which option is correct?
The graph shows the flux through a coil of 100 turns. Which option is correct?
emf in stage 1 = 400 V, current in the last stage is the same as the first, e₃ : e₁ = 2 : 2
emf in stage 1 = 200 V, current in the last stage is opposite to the first, e₃ : e₁ = 1 : 2
emf in stage 1 = 200 V, current in the last stage is the same as the first, e₃ : e₁ = 2 : 2
emf in stage 1 = 100 V, current in the last stage is opposite to the first, e₃ : e₁ = 1 : 2
12.
The graph shows the flux through a coil of 50 turns. Which option is correct?
The graph shows the flux through a coil of 50 turns. Which option is correct?
emf in stage 1 = 200 V, current in the last stage is the same as the first, e₃ : e₁ = 1 : 4
emf in stage 1 = 100 V, no current in the last stage, e₃ : e₁ = 2 : 1
emf in stage 1 = 100 V, current in the last stage is opposite to the first, e₃ : e₁ = 2 : 1
emf in stage 1 = 100 V, current in the last stage is opposite to the first, e₃ : e₁ = 2 : 2
13.
The graph shows the flux through a coil of 200 turns. Which option is correct?
The graph shows the flux through a coil of 200 turns. Which option is correct?
emf in stage 1 = 300 V, current in the last stage is opposite to the first, e₃ : e₁ = 2 : 1
emf in stage 1 = 1.5 V, current in the last stage is opposite to the first, e₃ : e₁ = 2 : 2
emf in stage 1 = 300 V, current in the last stage is opposite to the first, e₃ : e₁ = 1 : 4
emf in stage 1 = 600 V, current in the last stage is the same as the first, e₃ : e₁ = 1 : 4
14.
The graph shows the flux through a coil of 200 turns. Which option is correct?
The graph shows the flux through a coil of 200 turns. Which option is correct?
emf in stage 1 = 100 V, no current in the last stage, e₃ : e₁ = 1 : 16
emf in stage 1 = 100 V, current in the last stage is the same as the first, e₃ : e₁ = 16 : 1
emf in stage 1 = 100 V, current in the last stage is opposite to the first, e₃ : e₁ = 4 : 1
emf in stage 1 = 100 V, current in the last stage is opposite to the first, e₃ : e₁ = 16 : 1
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