Electric Circuits Which of the following has no units? Magnetic susceptibility Permittivity Moment of a magnet Permeability Magnetic susceptibility Permittivity Moment of a magnet Permeability ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A conductor of length l meters moves at right angles to a uniform magnetic field of flux density B = 1.5 T. if the velocity of revolution of the conductor is 50 ms-1 then induced e.m.f. in the conductor is 75 V. 0 V. 125 V. 100 V. 75 V. 0 V. 125 V. 100 V. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The hot resistance of a tungsten lamp is about 10 times the cold resistance. Accordingly, cold resistance of a 100 W, 200 V lamp will be 4 Ω. 400 Ω. 40 Ω. 800 Ω. 4 Ω. 400 Ω. 40 Ω. 800 Ω. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits For balanced star load, if unbalanced line current are IR, IY, IB equal to - j10, - j10 and - j20 respectively, the neutral current will be equal to (-9.66 + j5) A. (8.66 - j5) A. (8.66 + j5) A. (-8.66 - j5) A. (-9.66 + j5) A. (8.66 - j5) A. (8.66 + j5) A. (-8.66 - j5) A. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Say A point has an absolute potential of 40 V and point B has an absolute potential of - 10 V, then what will be the value of VBA ? none of above. 50 V. - 50 V. 30 V. none of above. 50 V. - 50 V. 30 V. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which of following materials has the least resistivity ? Lead. Mercury. Copper. Zinc. Lead. Mercury. Copper. Zinc. ANSWER DOWNLOAD EXAMIANS APP
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