About GENERAL-SCIENCE
Following are some of the multiple choice questions on the Alternating-Current-MCQs with answers that will help the students in developing their knowledge.
(1)If a secondary coil has 40 turns, and, a primary coil with 20 turns is charged with 50 V of potential difference, then the potential difference in the secondary coil would be
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(2)Generators at a power station produce electric power at voltage
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(3)Equation which measures alternating voltage is
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(4)In transformer, alternating current is induced in
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(5)High voltages lead to
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(6)Average power dissipated in resistor if sinusoidal p.d of peak value 25 V is connected across a 20 Ω resistor is
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(7)Amount of d.c voltage as compare to Vo is
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(8)A well designed transformer loses power under
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(9)Process in which A.C is converted into D.C is called
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(10)Steady d.c voltage is also known as
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(11)Ratio of voltages is inverse ratio of the
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(12)If output voltage is greater than input voltage, then transformer is