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Physics

Multiple Choice Question with Two or More Choices Correct
The magnetic field due to a current carrying toroidal solenoid
(a) is independent of the radius of the solenoid
(b) depends on the number of turns and the current in the solenoid
(c) is constant in magnitude inside the solenoid
(d) is always radial inside the solenoid

Chemistry

Multiple Choice Question
The order of a reaction is
(a) never zero
(b) never fraction
(c) always equal to the total stoichiometric number of reactants
(d) is an experimentally determined quantity

Mathematics

The area of the triangle formed by the tangents from the point (4, 3) to the circle x2 + y2 = 9 and the line joining their points of contact is ......... .
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