Electric Circuits Electric field intensity ( E ) at any point in an electric field is equal to ( potential gradient )1/3. ( potential gradient )1/2. potential gradient. ( potential gradient )2. ( potential gradient )1/3. ( potential gradient )1/2. potential gradient. ( potential gradient )2. 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. 1.414. 0.318. 1.11. 0.57. 1.414. 0.318. 1.11. 0.57. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A wire of resistance R has it length and cross - section both doubled. Its resistance will become R. 4R. 0.5R. 2R. R. 4R. 0.5R. 2R. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which of the following is the heaviest? Electron. Proton. Atom. Molecule. Electron. Proton. Atom. Molecule. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A capacitor having a capacitance of 40 μF is connected across 250 V DC source. The charging current will be least when capacitor is half charged. when capacitor is fully charged. initially. when capacitor is almost 25% charged. when capacitor is half charged. when capacitor is fully charged. initially. when capacitor is almost 25% charged. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A 3Ω resistor having 2A current will dissipate the power of 4 W. 12 W. 8 W. 2 W. 4 W. 12 W. 8 W. 2 W. ANSWER DOWNLOAD EXAMIANS APP
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