
AP POLYCET 2025
Section — B
PHYSICS
61)The region surrounding a magnet in which the influence of that magnet can be detected is called
62)If the electric current through a copper wire increases, the magnitude of the magnetic field produced at a given point:
63)The magnetic field at all points inside a solenoid carrying electric current:
64)The direction of force on a current carrying conductor in a magnetic field is given by
65)The magnetic field produced by a current carrying circular loop is strongest at
66)In an electric circuit, the device used to prevent damage to the electrical appliances due to overloading is:
67)Which of the following is not an alloy?
68)Identify the wrong statement among the following:
69)SI unit of electrical resistivity is
70)Which of the following is an insulator?
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