Voltage regulation of ideal transformer is
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The colour of light is determined by its (a) velocity in air (b) amplitude (c) state of polarization (d) frequency
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An A.C. supply cannot be used for (a) Heating (b) Electroplating (c) Lighting (d) Welding
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How many committees of 5 members can be formed from 6 gentlemen and 4 ladies? (1) 120 (2) 252 (3) 10P5 (4) 10C5
Which of these helps in converting A.C. high voltage to low voltage or its opposite? (1) Transistor (2) Transformer (3) Computater (4) Accumulator
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Where are the headquarters of the European Economic Community? (1) Brussels (2) London (3) Berlin (4) Paris