Electromagnetic Field | MCQs
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A. 1 field
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B. 2 fields
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C. 3 fields
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D. 4 fields
Explanation
A moving charged particle is surrounded by both an electric field and a magnetic field.
The electric field is due to the charge itself, and the magnetic field is generated due to the particle's motion.
برقی میدان کا پتہ _____ سے لگایا جا سکتا ہے؟
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A. Proton
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B. Neutron
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C. Electron
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D. Photon
Explanation
Electric fields can be detected by electrons, which are charged particles that respond to the force exerted by the electric field.
Electrons will accelerate or decelerate in the presence of an electric field, allowing for the detection of the field.
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A. Spherical shell
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B. None of these
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C. Sheet of change
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D. Line change
Explanation
The variation of Electric field (E) with distance (r) is observed as 1/r² for a spherical shell.
This is consistent with Gauss's Law for a spherical shell.
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