EXAMIANS
When power factor angle is constant, then shape of the current locus is
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Three identical resistor are connected in star across a 3 phase 550 V supply dissipating a total power of 300 W the line current is ____________ A.
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In RLC series circuit R = 2Ω, L = 2mH and C = 1μF and applied voltage is 10V DC. Then what is steady state current value?
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A capacitor having a mica dielectric εR = 6, a plate area of a 10 inches2 and a separation 0.01 inch. Find the value of C
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Time constant is the time taken for response to rise -------of maximum value?
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The frequency of EMF generated by a generator depends upon its
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A circuit contains two unequal resistor in parallel
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If two point charges are denoted by + Q and - Q and distance between this charges is d, then the dipole moment P equal to
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A capacitor is connected to supply with switch and the switch is connected between capacitor and supply. Initially switch is open at time zero, and then switch is closed. Then how capacitor behaves at time t = 0+?
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The ratio of intensity of magnetisation to the magnetising force is known as
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