Electric Circuits For same voltage, the ratio resistance of 100 W lamp to resistance of 25 W lamp is 1/4. 1. 4. 16. 1/4. 1. 4. 16. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits At which of the following frequency voltage across capacitor has maximum value for series circuit ? Greater than resonance frequency Zero frequency Equal to resonance frequency Less than resonance frequency Greater than resonance frequency Zero frequency Equal to resonance frequency Less than resonance frequency ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A positive and a negative charged conductor are initially 50 mm apart. When they are moved close together so that they are now only 10 mm apart, the force between them will be 5 times smaller than before. 25 times larger than before. 10 times greater than before. 5 times greater than before. 5 times smaller than before. 25 times larger than before. 10 times greater than before. 5 times greater than before. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits What is meant by the rate of flow of an electric charge? Electric potential. None of these Electric resistance. Electric current. Electric potential. None of these Electric resistance. Electric current. 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 n2 / R. nR . R / n2. n2R. n2 / R. nR . R / n2. n2R. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits An alternating voltage = 140 sinθ is supplied to a device which offers a resistance of 20 Ω in forward direction of current in reverse direction. Calculate the form factor. 0.57. 1.414. 1.11. 0.318. 0.57. 1.414. 1.11. 0.318. ANSWER DOWNLOAD EXAMIANS APP
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