Magnetic Effects of Electric Current — Important Questions
Madhya Pradesh Board · Class 10 · Science
62 important questions from Magnetic Effects of Electric Current for Madhya Pradesh Board Class 10 Science, with answers. Written for the board exams 2027.
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Important Questions from Magnetic Effects of Electric Current
What is a solenoid?
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A coil of insulated copper wire wrapped cylindrically
A solenoid is a coil of many circular turns of insulated copper wire wrapped closely in the shape of a cylinder.
What safety device prevents damage in domestic electrical circuits?
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Electric fuse
An electric fuse prevents damage to appliances and circuits by melting and breaking the circuit during overloading or short-circuiting.
What color is typically used for the earth wire in domestic circuits?
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Green
The earth wire, used as a safety measure, typically has green insulation in domestic electrical systems.
What determines the strength of a magnetic field?
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Closeness of field lines
The closer the magnetic field lines, the stronger the magnetic field at that point.
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