Electric Circuits Zinc cadmium and lead coating is generally provided for all of above. electrical contacts. decoration. corrosion. all of above. electrical contacts. decoration. corrosion. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which of following is the unit of magnetic flux density? Lumens. Tesla. Daraf. Weber. Lumens. Tesla. Daraf. Weber. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A 10 μF capacitor and 100 W, 220 V lamp is connected in series across a 220 V alternating supply. In which frequency of the supply the lamp will glow brightest? 10 Hz. 1 Hz. 1000 Hz. 100 Hz. 10 Hz. 1 Hz. 1000 Hz. 100 Hz. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits At which of the following frequency voltage across capacitor has maximum value for series circuit ? Zero frequency Greater than resonance frequency Equal to resonance frequency Less than resonance frequency Zero frequency Greater than resonance frequency Equal to resonance frequency Less than resonance frequency ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In a capacitor, the electrical energy is stored in magnetic field. both ‘electric field’ and magnetic field’. electric field. none of above. magnetic field. both ‘electric field’ and magnetic field’. electric field. none of above. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In a 3 - φ delta connection, two-wattmeter method is used to measure the power; if the two watt meters read 28.13 kW and 13.31 kW, the power factor of connection will be 0.9. 0.4. 0.85. 0.6. 0.9. 0.4. 0.85. 0.6. ANSWER DOWNLOAD EXAMIANS APP
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