EXAMIANS
If admittance Y= a + jb, then a =?
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Two coupled coils with L1 = L2 = 0.5H have a coupling coefficient of K = 0.75. The turn ratio N1 ⁄ N2 = ?
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The direction of the arrow represents the direction of when the diode is forward biased
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In an AC network, the load connected is (10 + j10). The phase relation between the voltage applied and the current through the load is:
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Three lamps are connected in series across a 120V supply and take a current of 1.5A. If the resistance of two of the lamps is 30Ω, what is the resistance of the third lamp?
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Which of the following fuel has the least calorific value?
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In the two wattmeter method, the readings of the two wattmeters are 500W, 500W respectively. The load power factor in a balanced 3-phase 3-wire circuit is:
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The power factor of an A.C. circuit is equal to
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An electric motor in which both the rotor and stator fields rotate with the same speed is called
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An electric heater is connected across 230V and it draws a current of 2A. Then the resistance offered by the heater is?
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