Magnetism and Electromagnetism | Practice MCQs Physics for Mdcat | mosaicbro.com

Magnetism and Electromagnetism | Practice MCQs Physics for Mdcat

7 of 127 questions (Page 5 of 19)

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29 Magnetic flux in terms of B and area A normal to B is defined as:
Correct Answer: C
Explanation: Flux is $\Phi = BA \cos \theta$ (for $\theta = 0^\circ$).
30 The SI unit of magnetic flux is:
Correct Answer: A
Explanation: Weber (Wb) = N·m/A, but the options are unclear. The standard unit is Weber.
31 The unit of magnetic flux is:
Correct Answer: A
Explanation: Weber is the unit of magnetic flux.
32 Weber is the unit of:
Correct Answer: C
Explanation: Weber measures magnetic flux.
33 The SI unit of flux density is:
Correct Answer: A
Explanation: Tesla (flux density) = N/(A·m).
34 The unit of flux density is also given by:
Correct Answer: B
Explanation: Flux density $B = \Phi/A$ is Weber/m².
35 The SI unit of flux density (or magnetic induction) is:
Correct Answer: B
Explanation: Tesla is the SI unit of flux density.
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