Current Electricity In the case of direct current Magnitude of current changes with time Magnitude of current remains constant Magnitude and direction of current remains constant Magnitude and direction of current changes with time Magnitude of current changes with time Magnitude of current remains constant Magnitude and direction of current remains constant Magnitude and direction of current changes with time ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Ohm's law is not applicable to High voltage circuits Circuits with low current densities Carbon resistors Vaccum tubes High voltage circuits Circuits with low current densities Carbon resistors Vaccum tubes ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Which of the following statement is true both for a series and a parallel D.C. circuit? Power are additive Elements have individual currents Voltages are additive Currents are additive Power are additive Elements have individual currents Voltages are additive Currents are additive ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The filament of electrical bulb is made of Aluminium Steel Nickel Tungsten Aluminium Steel Nickel Tungsten ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Two bulbs of 500 W and 200 W rated at 250 V will have resistance ratio as 4 : 25 25 : 4 5 : 2 2 : 5 4 : 25 25 : 4 5 : 2 2 : 5 ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Whether circuit may be AC. or D.C. one, following is most effective in reducing the magnitude of the current. Capacitor Resistor Inductor Reactor Capacitor Resistor Inductor Reactor ANSWER DOWNLOAD EXAMIANS APP
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