Current Electricity Sparking occurs when a load is switched off because the circuit has high Capacitance Resistance Impedance Inductance Capacitance Resistance Impedance Inductance ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Ohm's law is not applicable to High voltage circuits Circuits with low current densities Vaccum tubes Carbon resistors High voltage circuits Circuits with low current densities Vaccum tubes Carbon resistors ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The filament of electrical bulb is made of Nickel Aluminium Tungsten Steel Nickel Aluminium Tungsten Steel ANSWER DOWNLOAD EXAMIANS APP
Current Electricity When resistance element of a heater fuses and then we reconnect it after removing a portion of it, the power of the heater will Increase Decrease Remain constant None of these Increase Decrease Remain constant None of these ANSWER DOWNLOAD EXAMIANS APP
Current Electricity With three resistances connected in parallel, if each dissipates 20 W the total power supplied by the voltage source equals 40 W 20 W 60 W 10 W 40 W 20 W 60 W 10 W ANSWER DOWNLOAD EXAMIANS APP
Current Electricity In the case of direct current Magnitude and direction of current remains constant Magnitude of current remains constant Magnitude of current changes with time Magnitude and direction of current changes with time Magnitude and direction of current remains constant Magnitude of current remains constant Magnitude of current changes with time Magnitude and direction of current changes with time ANSWER DOWNLOAD EXAMIANS APP
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