Electric Circuits Which of the following has least resistivity? Aluminium. Mercury. Copper. Lead. Aluminium. Mercury. Copper. Lead. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Lowest current density is generally recommended for plating of chromium. silver. bronze. cadmium. chromium. silver. bronze. cadmium. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Capacitor does not allow the sudden change of power current voltage None of these power current voltage None of these ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In RLC parallel network R = 2 Ohm, L = 2mH and C = 1μF. Find the value of time constant? 4 μsec 4 msec 2 μsec 2 msec 4 μsec 4 msec 2 μsec 2 msec ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits When resistance element of a heater fuses and then we reconnect it after removing a portion of it, the power of heater will none of these. remain constant. decrease. increase. none of these. remain constant. decrease. increase. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A balanced star connected load with impedance of 30j - 300 Ω is supplied from a 3 - phase, 4-wire, 173 V system, the voltages to neutral being 100j -900, 100j - 300 and 100j -1500 V. The current in neutral wire is zero. 5 A. 50 A. 8.85 A. zero. 5 A. 50 A. 8.85 A. ANSWER DOWNLOAD EXAMIANS APP