Electric Circuits Which of the following has least resistivity? Lead. Mercury. Aluminium. Copper. Lead. Mercury. Aluminium. Copper. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Zinc cadmium and lead coating is generally provided for electrical contacts. corrosion. all of above. decoration. electrical contacts. corrosion. all of above. decoration. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A 230V, 50Hz voltage is applied to a coil having L = 5H and R = 2 Ohm in series with capacitance C. When the voltage across the coil is 400V, find the value of C? 8.51 µF. 1.8 µF. 10.54 µF. 4.78 µF. 8.51 µF. 1.8 µF. 10.54 µF. 4.78 µF. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits If a pure inductor is connected across the ac source, the average power taken by the inductor is 100 watt. zero watt. a few watt. maximum power. 100 watt. zero watt. a few watt. maximum power. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A parallel plate capacitor has a capacitance of C farad. It area of the plates is doubled and the distance between them is half, the capacitance of the capacitor is 16C Farad. 4C Farad. 2C Farad. C Farad. 16C Farad. 4C Farad. 2C Farad. C Farad. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The capacitive reactance of an electric circuit is 50 Ohms. The frequency of supply becomes doubled. What is the new capacitive reactance? 200 Ohms. 50 Ohms. 25 Ohms. 100 Ohms. 200 Ohms. 50 Ohms. 25 Ohms. 100 Ohms. ANSWER DOWNLOAD EXAMIANS APP
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