Electric Circuits A current of 4 A flows in an ac circuit when 100 V dc is applied to it whereas it takes 250 v ac to produce the same current the power factor of the circuit is 0.85. 1. 0.4. 10. 0.85. 1. 0.4. 10. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits If the length of a wire of resistance R is uniformly stretched to n times its original value, what will be its new resistance nR . R / n2. n2R. n2 / R. nR . R / n2. n2R. n2 / R. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits If two point charges are denoted by + Q and - Q and distance between this charges is d, then the dipole moment P equal to Q / d2. Q2 × d. Q × d. Q2 / d. Q / d2. Q2 × d. Q × d. Q2 / d. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits If the peak value of a sine wave is 100 V, then its RMS value will be 100 V. 88 V. 63.6 V. 70.7 V. 100 V. 88 V. 63.6 V. 70.7 V. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Twelve 6 Ω resistor used as edge to form a cube. The resistance between two diagonally opposite corner of the cube is 6 Ω. 5 Ω. 6 / 5 Ω. 5 / 6 Ω. 6 Ω. 5 Ω. 6 / 5 Ω. 5 / 6 Ω. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Consider the following circuit. What is the value of current I in the 5 Ω resistor in the circuit given in the figure? 3 A. 4 A. 0 A. 2 A. 3 A. 4 A. 0 A. 2 A. ANSWER DOWNLOAD EXAMIANS APP
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