Magnetic Effect of Electric Current MCQs – Test 3

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  1. 1. Question
    4 points

    Two concentric coils each of radius equal to 2π cm are placed right angles to each other. If 3A and 4A are the currents flowing through the two coils respectively. The magnetic induction (in Wb m–2) at the center of the coils will be [Karnataka CET 2015]

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  2. 2. Question
    4 points

    Two parallel wires 1 m apart carry currents of 1 A and 3 A respectively in opposite directions. The force per unit length acting between two wires is [Karnataka CET 2015]

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  3. 3. Question
    4 points

    A cyclotron is used to accelerate [Karnataka CET 2015]

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  4. 4. Question
    4 points

    This question has Statement I and Statement II. Of the four choices given after the Statements, choose the one that best describes the two Statements. [JEE Main 2013]

    Statement – I : Higher the range, greater is the resistance of ammeter.

    Statement – II : To increase the range of ammeter, additional shunt needs to be used across it.

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  5. 5. Question
    4 points

    A charged particle moves through a magnetic field perpendicular to its direction. Then [AIEEE 2007]

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